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VANDENBERG AIR FORCE BASE, Calif. -- Technicians guide the first stage of the Delta II rocket that will carry NASA's Aquarius satellite into low Earth orbit onto the launch pad at Vandenberg Air Force Base's Space Launch Complex-2 (SLC-2) in California. While the Delta II rocket is stacked on SLC-2, teams for NASA's Glory spacecraft and Orbital Sciences Taurus XL rocket are in launch preparation mode at Vandenberg's nearby Space Launch Complex 576-E. Scheduled to launch in June, Aquarius' mission will be to provide monthly maps of global changes in sea surface salinity. By measuring ocean salinity from space, Aquarius will provide new insights into how the massive natural exchange of freshwater between the ocean, atmosphere and sea ice influences ocean circulation, weather and climate. Also going up with the satellite are optical and thermal cameras, a microwave radiometer and the SAC-D spacecraft, which were developed with the help of institutions in Italy, France, Canada and Argentina. Photo credit: NASA/VAFB KSC-2011-1969

VANDENBERG AIR FORCE BASE, Calif. -- Technicians guide the first stage...

VANDENBERG AIR FORCE BASE, Calif. -- Technicians guide the first stage of the Delta II rocket that will carry NASA's Aquarius satellite into low Earth orbit onto the launch pad at Vandenberg Air Force Base's Sp... More

KENNEDY SPACE CENTER, FLA. -- An overhead crane lowers the backshell with the Phoenix Mars Lander inside toward a spin table for spin testing in the Payload Hazardous Servicing Facility. The Phoenix mission is the first project in NASA's first openly competed program of Mars Scout missions. Phoenix will land in icy soils near the north polar permanent ice cap of Mars and explore the history of the water in these soils and any associated rocks, while monitoring polar climate. Landing is planned in May 2008 on arctic ground where a mission currently in orbit, Mars Odyssey, has detected high concentrations of ice just beneath the top layer of soil. It will serve as NASA's first exploration of a potential modern habitat on Mars and open the door to a renewed search for carbon-bearing compounds, last attempted with NASA’s Viking missions in the 1970s. A stereo color camera and a weather station will study the surrounding environment while the other instruments check excavated soil samples for water, organic chemicals and conditions that could indicate whether the site was ever hospitable to life. Microscopes can reveal features as small as one one-thousandth the width of a human hair. Launch of Phoenix aboard a Delta II rocket is targeted for Aug. 3 from Cape Canaveral Air Force Station in Florida. Photo credit: NASA/George Shelton KSC-07pd1093

KENNEDY SPACE CENTER, FLA. -- An overhead crane lowers the backshell w...

KENNEDY SPACE CENTER, FLA. -- An overhead crane lowers the backshell with the Phoenix Mars Lander inside toward a spin table for spin testing in the Payload Hazardous Servicing Facility. The Phoenix mission is ... More

KENNEDY SPACE CENTER, FLA. -- In the Payload Hazardous Servicing Facility, the Phoenix Mars Lander spacecraft undergoes spin testing. The Phoenix mission is the first project in NASA's first openly competed program of Mars Scout missions. Phoenix will land in icy soils near the north polar permanent ice cap of Mars and explore the history of the water in these soils and any associated rocks, while monitoring polar climate. Landing is planned in May 2008 on arctic ground where a mission currently in orbit, Mars Odyssey, has detected high concentrations of ice just beneath the top layer of soil. It will serve as NASA's first exploration of a potential modern habitat on Mars and open the door to a renewed search for carbon-bearing compounds, last attempted with NASA’s Viking missions in the 1970s. A stereo color camera and a weather station will study the surrounding environment while the other instruments check excavated soil samples for water, organic chemicals and conditions that could indicate whether the site was ever hospitable to life. Microscopes can reveal features as small as one one-thousandth the width of a human hair. Launch of Phoenix aboard a Delta II rocket is targeted for Aug. 3 from Cape Canaveral Air Force Station in Florida. Photo credit: NASA/George Shelton KSC-07pd1100

KENNEDY SPACE CENTER, FLA. -- In the Payload Hazardous Servicing Fac...

KENNEDY SPACE CENTER, FLA. -- In the Payload Hazardous Servicing Facility, the Phoenix Mars Lander spacecraft undergoes spin testing. The Phoenix mission is the first project in NASA's first openly competed p... More

KENNEDY SPACE CENTER, FLA. -- On Kennedy Space Center's Shuttle Landing Facility, workers oversee the offloading of the crated Phoenix spacecraft inside the cargo hold of a U.S. Air Force C-17 Globemaster III. The crate will be transported to the Payload Hazardous Servicing Facility. The Phoenix mission is the first project in NASA's first openly competed program of Mars Scout missions. Phoenix will land in icy soils near the north polar permanent ice cap of Mars and explore the history of the water in these soils and any associated rocks, while monitoring polar climate. Landing is planned in May 2008 on arctic ground where a mission currently in orbit, Mars Odyssey, has detected high concentrations of ice just beneath the top layer of soil. It will serve as NASA's first exploration of a potential modern habitat on Mars and open the door to a renewed search for carbon-bearing compounds, last attempted with NASA’s Viking missions in the 1970s. A stereo color camera and a weather station will study the surrounding environment while the other instruments check excavated soil samples for water, organic chemicals and conditions that could indicate whether the site was ever hospitable to life. Microscopes can reveal features as small as one one-thousandth the width of a human hair. Launch of Phoenix aboard a Delta II rocket is targeted for Aug. 3 from Cape Canaveral Air Force Station in Florida. Photo credit: NASA/Charisse Nahser KSC-07pd1057

KENNEDY SPACE CENTER, FLA. -- On Kennedy Space Center's Shuttle Landi...

KENNEDY SPACE CENTER, FLA. -- On Kennedy Space Center's Shuttle Landing Facility, workers oversee the offloading of the crated Phoenix spacecraft inside the cargo hold of a U.S. Air Force C-17 Globemaster III.... More

Applied Physics Laboratory engineers and technicians from Johns Hopkins University assist in guiding the Advanced Composition Explorer (ACE) as it is hoisted over a platform for solar array installation in KSC’s Spacecraft Assembly and Encapsulation Facility-II. Scheduled for launch on a Delta II rocket from Cape Canaveral Air Station on Aug. 25, ACE will study low-energy particles of solar origin and high-energy galactic particles. The ACE observatory will contribute to the understanding of the formation and evolution of the solar system as well as the astrophysical processes involved. The collecting power of instruments aboard ACE is 10 to 1,000 times greater than anything previously flown to collect similar data by NASA KSC-97PC1077

Applied Physics Laboratory engineers and technicians from Johns Hopki...

Applied Physics Laboratory engineers and technicians from Johns Hopkins University assist in guiding the Advanced Composition Explorer (ACE) as it is hoisted over a platform for solar array installation in KS... More

Applied Physics Laboratory engineers and technicians from Johns Hopkins University assist in leveling and orienting the Advanced Composition Explorer (ACE) as it is seated on a platform for solar array installation in KSC’s Spacecraft Assembly and Encapsulation Facility-II. Scheduled for launch on a Delta II rocket from Cape Canaveral Air Station on Aug. 25, ACE will study low-energy particles of solar origin and high-energy galactic particles. The ACE observatory has six high-resolution particle detection sensors and three monitoring instruments. The collecting power of instrumentation aboard ACE is at least 100 times more sensitive than anything previously flown to collect similar data by NASA KSC-97PC1078

Applied Physics Laboratory engineers and technicians from Johns Hopki...

Applied Physics Laboratory engineers and technicians from Johns Hopkins University assist in leveling and orienting the Advanced Composition Explorer (ACE) as it is seated on a platform for solar array instal... More

The second stage of the Delta II rocket which will to be used to launch the Advanced Composition Explorer (ACE) spacecraft is erected at Launch Complex 17A at Cape Canaveral Air Station. Scheduled for launch on Aug. 25, ACE will study low-energy particles of solar origin and high-energy galactic particles. The ACE observatory will be placed into an orbit almost a million miles (1.5 million kilometers) away from the Earth, about 1/100 the distance from the Earth to the Sun KSC-97PC1175

The second stage of the Delta II rocket which will to be used to launc...

The second stage of the Delta II rocket which will to be used to launch the Advanced Composition Explorer (ACE) spacecraft is erected at Launch Complex 17A at Cape Canaveral Air Station. Scheduled for launch on... More

KENNEDY SPACE CENTER, FLA. -- Workers in the Payload Hazardous Servicing Facility get ready to attach a second solar panel to Deep Space 1. The first flight in NASA's New Millennium Program, Deep Space 1 is designed to validate 12 new technologies for scientific space missions of the next century. Onboard experiments include an ion propulsion engine and software that tracks celestial bodies so the spacecraft can make its own navigation decisions without the intervention of ground controllers. Deep Space 1 will complete most of its mission objectives within the first two months, but will also do a flyby of a near-Earth asteroid, 1992 KD, in July 1999. Deep Space 1 will be launched aboard a Boeing Delta II rocket from Launch Pad 17A, Cape Canaveral Air Station, in October. Delta II rockets are medium capacity expendable launch vehicles derived from the Delta family of rockets built and launched since 1960. Since then there have been more than 245 Delta launches KSC-98pc1158

KENNEDY SPACE CENTER, FLA. -- Workers in the Payload Hazardous Servici...

KENNEDY SPACE CENTER, FLA. -- Workers in the Payload Hazardous Servicing Facility get ready to attach a second solar panel to Deep Space 1. The first flight in NASA's New Millennium Program, Deep Space 1 is des... More

KENNEDY SPACE CENTER, FLA. -- In the Spacecraft Assembly and Encapsulation Facility-2 (SAEF-2), technicians test the science instruments and the basic spacecraft subsystems on the Mars Polar Lander. The solar-powered spacecraft is targeted for launch from Cape Canaveral Air Station aboard a Delta II rocket on Jan. 3, 1999. It is designed to touch down on the Martian surface near the northern-most boundary of the south pole in order to study the water cycle there. The lander also will help scientists learn more about climate change and current resources on Mars, studying such things as frost, dust, water vapor and condensates in the Martian atmosphere KSC-98pc1337

KENNEDY SPACE CENTER, FLA. -- In the Spacecraft Assembly and Encapsula...

KENNEDY SPACE CENTER, FLA. -- In the Spacecraft Assembly and Encapsulation Facility-2 (SAEF-2), technicians test the science instruments and the basic spacecraft subsystems on the Mars Polar Lander. The solar-p... More

KENNEDY SPACE CENTER, FLA. -- In the Spacecraft Assembly and Encapsulation Facility -2 (SAEF-2), JPL workers prepare to mount a Mars microprobe onto the Mars Polar Lander. Two microprobes will hitchhike on the lander, scheduled to be launched Jan. 3, 1999, aboard a Delta II rocket. The solar-powered spacecraft is designed to touch down on the Martian surface near the northern-most boundary of the south pole in order to study the water cycle there. The lander also will help scientists learn more about climate change and current resources on Mars, studying such things as frost, dust, water vapor and condensates in the Martian atmosphere. The Mars microprobes, called Deep Space 2, are part of NASA's New Millennium Program. They will complement the climate-related scientific focus of the lander by demonstrating an advanced, rugged microlaser system for detecting subsurface water. Such data on polar subsurface water, in the form of ice, should help put limits on scientific projections for the global abundance of water on Mars KSC-98pc1647

KENNEDY SPACE CENTER, FLA. -- In the Spacecraft Assembly and Encapsula...

KENNEDY SPACE CENTER, FLA. -- In the Spacecraft Assembly and Encapsulation Facility -2 (SAEF-2), JPL workers prepare to mount a Mars microprobe onto the Mars Polar Lander. Two microprobes will hitchhike on the ... More

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 17B, Cape Canaveral Air Station, the protective covering on the Mars Polar Lander is lifted up and out of the way. The lander, in the opening below, is being mated to the Boeing Delta II rocket that will launch it on Jan. 3, 1999. The lander is a solar-powered spacecraft designed to touch down on the Martian surface near the northern-most boundary of the south pole in order to study the water cycle there. The lander also will help scientists learn more about climate change and current resources on Mars, studying such things as frost, dust, water vapor and condensates in the Martian atmosphere. It is the second spacecraft to be launched in a pair of Mars Surveyor'98 missions. The first is the Mars Climate Orbiter, which was launched aboard a Delta II rocket from Launch Complex 17A on Dec. 11, 1998 KSC-98pc1889

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 17B, Cape Canaveral Ai...

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 17B, Cape Canaveral Air Station, the protective covering on the Mars Polar Lander is lifted up and out of the way. The lander, in the opening below, is being mate... More

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 17B, Cape Canaveral Air Station, workers begin fitting the fairing around the upper stages of the Boeing Delta II rocket and Mars Polar Lander. The rocket is scheduled to launch Jan. 3, 1999. The lander is a solar-powered spacecraft designed to touch down on the Martian surface near the northern-most boundary of the south pole in order to study the water cycle there. The lander also will help scientists learn more about climate change and current resources on Mars, studying such things as frost, dust, water vapor and condensates in the Martian atmosphere. It is the second spacecraft to be launched in a pair of Mars Surveyor '98 missions KSC-98pc1925

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 17B, Cape Canaveral Ai...

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 17B, Cape Canaveral Air Station, workers begin fitting the fairing around the upper stages of the Boeing Delta II rocket and Mars Polar Lander. The rocket is sche... More

KENNEDY SPACE CENTER, FLA. -- Silhouetted against the gray sky, a Boeing Delta II expendable launch vehicle with NASA's Mars Polar Lander lifts off from Launch Complex 17B, Cape Canaveral Air Station, at 3:21:10 p.m. EST. The lander is a solar-powered spacecraft designed to touch down on the Martian surface near the northern-most boundary of the south polar cap, which consists of carbon dioxide ice. The lander will study the polar water cycle, frosts, water vapor, condensates and dust in the Martian atmosphere. It is equipped with a robotic arm to dig beneath the layered terrain at the polar cap. In addition, Deep Space 2 microprobes, developed by NASA's New Millennium Program, are installed on the lander's cruise stage. After crashing into the planet's surface, they will conduct two days of soil and water experiments up to 1 meter (3 feet) below the Martian surface, testing new technologies for future planetary descent probes. The lander is the second spacecraft to be launched in a pair of Mars Surveyor '98 missions. The first is the Mars Climate Orbiter, which was launched aboard a Delta II rocket from Launch Complex 17A on Dec. 11, 1998. KSC-99pc06

KENNEDY SPACE CENTER, FLA. -- Silhouetted against the gray sky, a Boei...

KENNEDY SPACE CENTER, FLA. -- Silhouetted against the gray sky, a Boeing Delta II expendable launch vehicle with NASA's Mars Polar Lander lifts off from Launch Complex 17B, Cape Canaveral Air Station, at 3:21:1... More

At Pad 17A, Cape Canaveral Air Station, workers keep watch on the placement of the fourth and final solid rocket booster (SRB) being mated with the Boeing Delta II rocket. The rocket will be aided by four SRBs to carry the Stardust satellite into space for a close encounter with the comet Wild 2 in January 2004. Using a medium called aerogel, Stardust will capture comet particles flying off the nucleus of the comet, plus collect interstellar dust for later analysis. The collected samples will return to Earth in a Sample Return Capsule to be jettisoned as Stardust swings by Earth in January 2006. Stardust is scheduled to be launched on Feb. 6, 1999 KSC-99pc35

At Pad 17A, Cape Canaveral Air Station, workers keep watch on the plac...

At Pad 17A, Cape Canaveral Air Station, workers keep watch on the placement of the fourth and final solid rocket booster (SRB) being mated with the Boeing Delta II rocket. The rocket will be aided by four SRBs ... More

In the Payload Hazardous Servicing Facility, workers at left check instruments during a lighting test on the solar panels of the <a href="http://www-pao.ksc.nasa.gov/kscpao/captions/subjects/stardust.htm"> Stardust</a>spacecraft. Stardust is scheduled to be launched aboard a Boeing Delta II rocket from Launch Pad 17A, Cape Canaveral Air Station, on Feb. 6, 1999, for a rendezvous with the comet Wild 2 in January 2004. Stardust will use a substance called aerogel to capture comet particles flying off the nucleus of the comet, plus collect interstellar dust for later analysis. The collected samples will return to Earth in a sample return capsule (its white cap is seen on the near end of the spacecraft) to be jettisoned as it swings by Earth in January 2006 KSC-99pc46

In the Payload Hazardous Servicing Facility, workers at left check ins...

In the Payload Hazardous Servicing Facility, workers at left check instruments during a lighting test on the solar panels of the kscpao/captions/subjects/stardust.htm"> Stardust</a>spacecraft. Stardust is sched... More

At Launch Pad 17-A, Cape Canaveral Air Station, a worker holds the video camera to be mounted on the second stage of a Boeing Delta II rocket that will launch the Stardust spacecraft on Feb. 6. His co-worker (right) makes equipment adjustments. Looking toward Earth, the camera will record the liftoff and separation of the first stage. Stardust is destined for a close encounter with the comet Wild 2 in January 2004. Using a silicon-based substance called aerogel, Stardust will capture comet particles flying off the nucleus of the comet. The spacecraft also will bring back samples of interstellar dust. These materials consist of ancient pre-solar interstellar grains and other remnants left over from the formation of the solar system. Scientists expect their analysis to provide important insights into the evolution of the sun and planets and possibly into the origin of life itself. The collected samples will return to Earth in a sample return capsule to be jettisoned as Stardust swings by Earth in January 2006 KSC-99pc0117

At Launch Pad 17-A, Cape Canaveral Air Station, a worker holds the vid...

At Launch Pad 17-A, Cape Canaveral Air Station, a worker holds the video camera to be mounted on the second stage of a Boeing Delta II rocket that will launch the Stardust spacecraft on Feb. 6. His co-worker (r... More

In the Payload Hazardous Servicing Facility, workers check the final adjustments on the protective canister enclosing the Stardust spacecraft. Stardust will be moved to Launch Pad 17-A, Cape Canaveral Air Station, for launch preparations. The spacecraft is targeted for liftoff on Feb. 6 aboard a Boeing Delta II rocket for a close encounter with the comet Wild 2 in January 2004. Using a silicon-based substance called aerogel, Stardust will capture comet particles flying off the nucleus of the comet. The spacecraft also will bring back samples of interstellar dust. These materials consist of ancient pre-solar interstellar grains and other remnants left over from the formation of the solar system. Scientists expect their analysis to provide important insights into the evolution of the sun and planets and possibly into the origin of life itself. The collected samples will return to Earth in a sample return capsule to be jettisoned as Stardust swings by Earth in January 2006 KSC-99pc0123

In the Payload Hazardous Servicing Facility, workers check the final a...

In the Payload Hazardous Servicing Facility, workers check the final adjustments on the protective canister enclosing the Stardust spacecraft. Stardust will be moved to Launch Pad 17-A, Cape Canaveral Air Stati... More

Inside the launch tower at Pad 17-A, Cape Canaveral Air Station, workers guide the Stardust spacecraft toward an opening to a Boeing Delta II rocket below. The spacecraft is already connected to the third stage of the rocket that will be mated with the second stage in preparation for liftoff on Feb. 6. Stardust is destined for a close encounter with the comet Wild 2 in January 2004. Using a silicon-based substance called aerogel, Stardust will capture comet particles flying off the nucleus of the comet. The spacecraft also will bring back samples of interstellar dust. These materials consist of ancient pre-solar interstellar grains and other remnants left over from the formation of the solar system. Scientists expect their analysis to provide important insights into the evolution of the sun and planets and possibly into the origin of life itself. The collected samples will return to Earth in a sample return capsule to be jettisoned as Stardust swings by Earth in January 2006 KSC-99pc0128

Inside the launch tower at Pad 17-A, Cape Canaveral Air Station, worke...

Inside the launch tower at Pad 17-A, Cape Canaveral Air Station, workers guide the Stardust spacecraft toward an opening to a Boeing Delta II rocket below. The spacecraft is already connected to the third stage... More

At Launch Pad 17-A, Cape Canaveral Air Station, workers check the lower fittings of the fairing installed around the Stardust spacecraft and upper stage of the Boeing Delta II rocket. Targeted for launch at 4:06:42 p.m. on Feb. 6, the spacecraft is destined for a close encounter with the comet Wild 2 in January 2004. Using a silicon-based substance called aerogel, Stardust will capture comet particles flying off the nucleus of the comet. The spacecraft also will bring back samples of interstellar dust. These materials consist of ancient pre-solar interstellar grains and other remnants left over from the formation of the solar system. Scientists expect their analysis to provide important insights into the evolution of the sun and planets and possibly into the origin of life itself. The collected samples will return to Earth in a sample return capsule to be jettisoned as Stardust swings by Earth in January 2006 KSC-99pc0147

At Launch Pad 17-A, Cape Canaveral Air Station, workers check the lowe...

At Launch Pad 17-A, Cape Canaveral Air Station, workers check the lower fittings of the fairing installed around the Stardust spacecraft and upper stage of the Boeing Delta II rocket. Targeted for launch at 4:0... More

CAPE CANAVERAL, Fla. – On Launch Pad 17-B at Cape Canaveral Air Force Station in Florida, the first half of the fairing is moved into place around NASA's Kepler spacecraft, atop the United Launch Alliance Delta II rocket. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The liftoff of Kepler aboard the Delta II rocket is currently targeted for launch in a window extending 10:49 to 10:52 p.m. EST March 6 from Pad 17-B. Kepler is designed to survey more than 100,000 stars in our galaxy to determine the number of sun-like stars that have Earth-size and larger planets, including those that lie in a star's "habitable zone," a region where liquid water, and perhaps life, could exist. If these Earth-size worlds do exist around stars like our sun, Kepler is expected to be the first to find them and the first to measure how common they are. Photo credit: NASA/Jack Pfaller KSC-2009-1886

CAPE CANAVERAL, Fla. – On Launch Pad 17-B at Cape Canaveral Air Force ...

CAPE CANAVERAL, Fla. – On Launch Pad 17-B at Cape Canaveral Air Force Station in Florida, the first half of the fairing is moved into place around NASA's Kepler spacecraft, atop the United Launch Alliance Delta... More

CAPE CANAVERAL, Fla. – On Launch Pad 17-B at Cape Canaveral Air Force Station in Florida, a worker examines the closure of the fairing segments around NASA's Kepler spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The liftoff of Kepler aboard the Delta II rocket is currently targeted for launch in a window extending 10:49 to 10:52 p.m. EST March 6 from Pad 17-B. Kepler is designed to survey more than 100,000 stars in our galaxy to determine the number of sun-like stars that have Earth-size and larger planets, including those that lie in a star's "habitable zone," a region where liquid water, and perhaps life, could exist. If these Earth-size worlds do exist around stars like our sun, Kepler is expected to be the first to find them and the first to measure how common they are. Photo credit: NASA/Jack Pfaller KSC-2009-1891

CAPE CANAVERAL, Fla. – On Launch Pad 17-B at Cape Canaveral Air Force ...

CAPE CANAVERAL, Fla. – On Launch Pad 17-B at Cape Canaveral Air Force Station in Florida, a worker examines the closure of the fairing segments around NASA's Kepler spacecraft. The fairing is a molded structure... More

At Launch Pad 17-A, Cape Canaveral Air Force Station, a worker prepares the site before attaching a camera to the second stage of the Delta II rocket for the Mars Odyssey launch. The orbiter carries three science instruments THEMIS, the Gamma Ray Spectrometer (GRS), and the Mars Radiation Environment Experiment (MARIE) that will map the mineralogy and morphology of the Martian surface. The Mars Odyssey Orbiter is scheduled for launch on April 7, 2001 KSC01pp0581

At Launch Pad 17-A, Cape Canaveral Air Force Station, a worker prepare...

At Launch Pad 17-A, Cape Canaveral Air Force Station, a worker prepares the site before attaching a camera to the second stage of the Delta II rocket for the Mars Odyssey launch. The orbiter carries three scien... More

Workers in the Space Assembly and Encapsulation Facility 2 check the placement of the Mars Odyssey Orbiter as it is lowered onto the third stage of a Delta rocket below for installation. Visible above is the cone-shaped high gain antenna and the black solar array assembly. The Mars Odyssey is scheduled for launch at 11:02 a.m. EDT April 7, 2001, aboard a Delta II rocket from Launch Pad 17-A, Cape Canaveral Air Force Station. The spacecraft is designed to map the surface of Mars KSC01pp0611

Workers in the Space Assembly and Encapsulation Facility 2 check the p...

Workers in the Space Assembly and Encapsulation Facility 2 check the placement of the Mars Odyssey Orbiter as it is lowered onto the third stage of a Delta rocket below for installation. Visible above is the co... More

Workers in the Space Assembly and Encapsulation Facility 2 oversee the lifting of the Mars Odyssey Orbiter from its workstand. The orbiter will be moved and attached to the third stage of a Delta rocket, at right. The Mars Odyssey is scheduled for launch on April 7, 2001, aboard a Delta II rocket from Launch Pad 17-A, Cape Canaveral Air Force Station KSC01pp0603

Workers in the Space Assembly and Encapsulation Facility 2 oversee the...

Workers in the Space Assembly and Encapsulation Facility 2 oversee the lifting of the Mars Odyssey Orbiter from its workstand. The orbiter will be moved and attached to the third stage of a Delta rocket, at rig... More

An overhead crane lowers the cylindrical canister toward the Mars Odyssey orbiter below it. The canister will protect the spacecraft during transfer to Launch Pad 17-A, Cape Canaveral Air Force Station. The Mars Odyssey is scheduled for launch at 11:02 a.m. EDT April 7, 2001, aboard a Delta II rocket from Pad 17-A. The spacecraft will map the Martian surface in search of geological features that could indicate the presence of water, now or in the past, and may contribute significantly toward understanding what will be necessary for a more sophisticated exploration of Mars KSC01pp0651

An overhead crane lowers the cylindrical canister toward the Mars Odys...

An overhead crane lowers the cylindrical canister toward the Mars Odyssey orbiter below it. The canister will protect the spacecraft during transfer to Launch Pad 17-A, Cape Canaveral Air Force Station. The Mar... More

At sunrise on Launch Pad 17-A, Cape Canaveral Air Force Station, workers begin attaching a crane to the top of the Mars Odyssey orbiter. The spacecraft will be lifted up the gantry and mated with the Delta II rocket. The spacecraft will map the Martian surface in search of geological features that could indicate the presence of water, now or in the past, and may contribute significantly toward understanding what will be necessary for a more sophisticated exploration of Mars. Launch is scheduled for 11:02 a.m. EDT April 7 KSC01pp0630

At sunrise on Launch Pad 17-A, Cape Canaveral Air Force Station, worke...

At sunrise on Launch Pad 17-A, Cape Canaveral Air Force Station, workers begin attaching a crane to the top of the Mars Odyssey orbiter. The spacecraft will be lifted up the gantry and mated with the Delta II r... More

KENNEDY SPACE CENTER, Fla. -- At the Shuttle Landing Facility, workers prepare NASA's Genesis spacecraft for transport to the Payload Hazardous Servicing Facility in KSC's industrial area where it will undergo final preparations;for launch.; The spacecraft arrived aboard an Air Force C-17 aircraft from Denver, Colo., where it was built for NASA by Lockheed Martin Astronautics.; Genesis is designed to capture samples of the ions and elements in the solar wind and return them to Earth for scientists to use to determine the exact composition of the Sun and the solar system's origin. Launch aboard a Boeing Delta II rocket is scheduled for July 30 at 12:36 p.m. EDT.; NASA's Genesis project in managed by the Jet Propulsion Laboratory in Pasadena, Calif KSC-01pp1050

KENNEDY SPACE CENTER, Fla. -- At the Shuttle Landing Facility, workers...

KENNEDY SPACE CENTER, Fla. -- At the Shuttle Landing Facility, workers prepare NASA's Genesis spacecraft for transport to the Payload Hazardous Servicing Facility in KSC's industrial area where it will undergo ... More

KENNEDY SPACE CENTER, Fla. -- On Launch Complex 17A, Cape Canaveral Air Force Station, technicians work on the bottom of the first stage of a Delta II rocket before its lift up the gantry. The rocket will propel the Genesis spacecraft on a journey to capture samples of the ions and elements in the solar wind and return them to Earth for scientists to use to determine the exact composition of the Sun and the solar system’s origin. NASA's Genesis project in managed by the Jet Propulsion Laboratory in Pasadena, Calif. Lockheed Martin Astronautics built the Genesis spacecraft for NASA in Denver, Colo. The launch is scheduled for July 30 at 12:36 p.m. EDT KSC01pd1094

KENNEDY SPACE CENTER, Fla. -- On Launch Complex 17A, Cape Canaveral Ai...

KENNEDY SPACE CENTER, Fla. -- On Launch Complex 17A, Cape Canaveral Air Force Station, technicians work on the bottom of the first stage of a Delta II rocket before its lift up the gantry. The rocket will prope... More

KENNEDY SPACE CENTER, Fla. -- Workers on Launch Complex 17-A, Cape Canaveral Air Force Station, oversee the lifting of a solid rocket booster to be mated with the Delta II rocket for the Genesis spacecraft launch. Genesis will capture samples of the ions and elements in the solar wind and return them to Earth for scientists to use to determine the exact composition of the Sun and the solar system’s origin. NASA’s Genesis project is managed by the Jet Propulsion Laboratory in Pasadena, Calif. Lockheed Martin Astronautics built the Genesis spacecraft for NASA in Denver, Colo. Launch of Genesis aboard a Boeing Delta II rocket is scheduled for July 30 at 12:36 p.m. EDT KSC01pd1106

KENNEDY SPACE CENTER, Fla. -- Workers on Launch Complex 17-A, Cape Can...

KENNEDY SPACE CENTER, Fla. -- Workers on Launch Complex 17-A, Cape Canaveral Air Force Station, oversee the lifting of a solid rocket booster to be mated with the Delta II rocket for the Genesis spacecraft laun... More

KENNEDY SPACE CENTER, Fla. -- In KSC’s Spacecraft Assembly and Encapsulation Facility -2, workers adjust the canister as it is lowered over the Microwave Anisotropy Probe (MAP). The spacecraft will be transported to Launch Complex 17, Cape Canaveral Air Force Station. Launch of MAP via a Boeing Delta II rocket is scheduled for June 30 KSC-01pp1170

KENNEDY SPACE CENTER, Fla. -- In KSC’s Spacecraft Assembly and Encapsu...

KENNEDY SPACE CENTER, Fla. -- In KSC’s Spacecraft Assembly and Encapsulation Facility -2, workers adjust the canister as it is lowered over the Microwave Anisotropy Probe (MAP). The spacecraft will be transport... More

KENNEDY SPACE CENTER, Fla. -- At Launch Complex 17-A, Cape Canaveral Air Force Station, the second part of the fairing for the Genesis spacecraft arrives at the top of the gantry. The fairing will encapsulate the spacecraft to protect it during launch aboard a Delta II rocket. Genesis will be on a journey to capture samples of the ions and elements in the solar wind and return them to Earth for scientists to use to determine the exact composition of the Sun and the solar system’s origin. NASA’s Genesis project in managed by the Jet Propulsion Laboratory in Pasadena, Calif. Lockheed Martin Astronautics built the Genesis spacecraft for NASA in Denver, Colo. The launch is scheduled for July 30 at 12:36 p.m. EDT KSC01pd1181

KENNEDY SPACE CENTER, Fla. -- At Launch Complex 17-A, Cape Canaveral A...

KENNEDY SPACE CENTER, Fla. -- At Launch Complex 17-A, Cape Canaveral Air Force Station, the second part of the fairing for the Genesis spacecraft arrives at the top of the gantry. The fairing will encapsulate t... More

KENNEDY SPACE CENTER, Fla. -- At Launch Complex 17-A, Cape Canaveral Air Force Station, the Genesis spacecraft is lowered into place on the Boeing Delta II rocket. Genesis will be on a robotic NASA space mission to catch a wisp of the raw material of the Sun and return it to Earth with a spectacular mid-air helicopter capture. The sample return capsule is 4.9 feet (1.5 meters) in diameter and 52 inches (1.31 meters) tall. The mission’s goal is to collect and return to Earth just 10 to 20 micrograms -- or the weight of a few grains of salt -- of solar wind, invisible charged particles that flow outward from the Sun. This treasured smidgen of the Sun will be preserved in a special laboratory for study by scientists over the next century in search of answers to fundamental questions about the exact composition of our star and the birth of our solar system. The Genesis launch is scheduled for 12:36 p.m. EDT on July 30 from CCAFS KSC-01pp1341

KENNEDY SPACE CENTER, Fla. -- At Launch Complex 17-A, Cape Canaveral A...

KENNEDY SPACE CENTER, Fla. -- At Launch Complex 17-A, Cape Canaveral Air Force Station, the Genesis spacecraft is lowered into place on the Boeing Delta II rocket. Genesis will be on a robotic NASA space missio... More

VANDENBERG AFB,CALIF. - On the SLC-2 launch pad, the gantry closes in on the Delta II rocket to enable mating of the second stage. The Delta II will launch the Aqua-EOS satellite. Aqua is one of a series of spacebased platforms that are central to NASA's Earth Science Enterprise (ESE), a long-term study of the scope, dynamics and implications of global change. The Aqua program is composed of Aqua and other spacecraft (including Terra and Aura) and a data distribution system (ESDIS, and Mission Operations Center Implementation Team). Flying in an orbit that covers the globe every 16 days, Aqua will provide a six-year chronology of the planet and its processes. Comprehensive measurements taken by its onboard instruments will allow multidisciplinary teams of scientists and researchers from North and South America, Asia, Australia and Europe to assess long-term change, identify its human and natural causes and advance the development of models for long-term forecasting. Launch is scheduled for April 26 from Vandenberg KSC-02pd0403

VANDENBERG AFB,CALIF. - On the SLC-2 launch pad, the gantry closes in ...

VANDENBERG AFB,CALIF. - On the SLC-2 launch pad, the gantry closes in on the Delta II rocket to enable mating of the second stage. The Delta II will launch the Aqua-EOS satellite. Aqua is one of a series of spa... More

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 17-A, Cape Canaveral Air Force Station, the Boeing Delta II rocket is lifted up the gantry. The rocket is the launch vehicle for the CONTOUR spacecraft, scheduled to launch July 1. CONTOUR will provide the first detailed look into the heart of a comet -- the nucleus. The spacecraft will fly close to at least two comets, Encke and Schwassmann-Wachmann 3, taking pictures of the nucleus while analyzing the gas and dust that surround these rocky, icy building blocks of the solar system. KSC-02pd0793

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 17-A, Cape Canaveral Air F...

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 17-A, Cape Canaveral Air Force Station, the Boeing Delta II rocket is lifted up the gantry. The rocket is the launch vehicle for the CONTOUR spacecraft, scheduled to ... More

KENNEDY SPACE CENTER, FLA. -- Workers in the Spacecraft Assembly and Encapsulation Facility 2 install a solar panel on the Comet Nucleus Tour (CONTOUR) spacecraft. CONTOUR will provide the first detailed look into the heart of a comet -- the nucleus. The spacecraft will fly as close as 60 miles (100 kilometers) to at least two comets and will take the sharpest pictures yet of the nucleus while analyzing the gas and dust that surround these rocky, icy building blocks of the solar system. Launch of CONTOUR aboard a Boeing Delta II rocket is scheduled for July 1 from Launch Pad 17-A, Cape Canaveral Air Force Station KSC-02pd0798

KENNEDY SPACE CENTER, FLA. -- Workers in the Spacecraft Assembly and E...

KENNEDY SPACE CENTER, FLA. -- Workers in the Spacecraft Assembly and Encapsulation Facility 2 install a solar panel on the Comet Nucleus Tour (CONTOUR) spacecraft. CONTOUR will provide the first detailed look ... More

KENNEDY SPACE CENTER, FLA. -- Workers in the Spacecraft Assembly and Encapsulation Facility 2 lift a solar panel onto the Comet Nucleus Tour (CONTOUR) spacecraft for installation of the panel. The spacecraft will provide the first detailed look into the heart of a comet -- the nucleus. The spacecraft will fly as close as 60 miles (100 kilometers) to at least two comets and will take the sharpest pictures yet of the nucleus while analyzing the gas and dust that surround these rocky, icy building blocks of the solar system. Launch of CONTOUR aboard a Boeing Delta II rocket is scheduled for July 1 from Launch Pad 17-A, Cape Canaveral Air Force Station KSC-02pd0800

KENNEDY SPACE CENTER, FLA. -- Workers in the Spacecraft Assembly and E...

KENNEDY SPACE CENTER, FLA. -- Workers in the Spacecraft Assembly and Encapsulation Facility 2 lift a solar panel onto the Comet Nucleus Tour (CONTOUR) spacecraft for installation of the panel. The spacecraft wi... More

KENNEDY SPACE CENTER, FLA. - Workers in the Spacecraft Assembly and Encapsulation Facility 2 check the lowering of the Comet Nucleus Tour (CONTOUR) spacecraft onto a spin table. CONTOUR will provide the first detailed look into the heart of a comet -- the nucleus. Flying as close as 60 miles (100 kilometers) to at least two comets, the spacecraft will take the sharpest pictures yet of a nucleus while analyzing the gas and dust that surround these rocky, icy building blocks of the solar system. Launch of CONTOUR aboard a Boeing Delta II rocket is scheduled for July 1 from Launch Pad 17-A, Cape Canaveral Air Force Station KSC-02pd0825

KENNEDY SPACE CENTER, FLA. - Workers in the Spacecraft Assembly and En...

KENNEDY SPACE CENTER, FLA. - Workers in the Spacecraft Assembly and Encapsulation Facility 2 check the lowering of the Comet Nucleus Tour (CONTOUR) spacecraft onto a spin table. CONTOUR will provide the first d... More

KENNEDY SPACE CENTER, FLA. - Workers in the Spacecraft Assembly and Encapsulation Facility 2 watch as the Comet Nucleus Tour (CONTOUR) spacecraft is raised to vertical for transfer to a spin table. CONTOUR will provide the first detailed look into the heart of a comet -- the nucleus. Flying as close as 60 miles (100 kilometers) to at least two comets, the spacecraft will take the sharpest pictures yet of a nucleus while analyzing the gas and dust that surround these rocky, icy building blocks of the solar system. Launch of CONTOUR aboard a Boeing Delta II rocket is scheduled for July 1 from Launch Pad 17-A, Cape Canaveral Air Force Station KSC-02pd0824

KENNEDY SPACE CENTER, FLA. - Workers in the Spacecraft Assembly and En...

KENNEDY SPACE CENTER, FLA. - Workers in the Spacecraft Assembly and Encapsulation Facility 2 watch as the Comet Nucleus Tour (CONTOUR) spacecraft is raised to vertical for transfer to a spin table. CONTOUR will... More

KENNEDY SPACE CENTER, FLA. -- The second stage of the Boeing Delta II rocket arrives at the top of the tower on Launch Pad 17-A, Cape Canaveral Air Force Station, where it will be mated with the first stage. The rocket is the launch vehicle for the Comet Nucleus Tour (CONTOUR) spacecraft that will provide the first detailed look into the heart of a comet -- the nucleus. Flying as close as 60 miles (100 kilometers) to at least two comets, the spacecraft will take the sharpest pictures yet of a nucleus while analyzing the gas and dust that surround these rocky, icy building blocks of the solar system. Launch of CONTOUR is scheduled for July 1, 2002 KSC-02pd0860

KENNEDY SPACE CENTER, FLA. -- The second stage of the Boeing Delta II ...

KENNEDY SPACE CENTER, FLA. -- The second stage of the Boeing Delta II rocket arrives at the top of the tower on Launch Pad 17-A, Cape Canaveral Air Force Station, where it will be mated with the first stage. T... More

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 17-A, Cape Canaveral Air Force Station, the second part of the is lifted off the transporter. The fairing will encapsulate the Comet Nucleus Tour (CONTOUR) spacecraft on a Delta II rocket. CONTOUR will provide the first detailed look into the heart of a comet -- the nucleus. Flying as close as 60 miles (100 kilometers) to at least two comets, the spacecraft will take the sharpest pictures yet of a nucleus while analyzing the gas and dust that surround them. Launch of CONTOUR is scheduled for July 1, 2002 KSC-02pd0892

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 17-A, Cape Canaveral A...

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 17-A, Cape Canaveral Air Force Station, the second part of the is lifted off the transporter. The fairing will encapsulate the Comet Nucleus Tour (CONTOUR) spacec... More

KENNEDY SPACE CENTER, FLA. -- On Launch Complex 17-A, Cape Canaveral Air Force Station, workers attach a crane to the top of the canister containing the Comet Nucleus Tour (CONTOUR) spacecraft. CONTOUR will be lifted up the gantry for encapsulation and mating with the launch vehicle. CONTOUR will provide the first detailed look into the heart of a comet -- the nucleus. Flying as close as 60 miles (100 kilometers) to at least two comets, the spacecraft will take the sharpest pictures yet of a nucleus while analyzing the gas and dust that surround these rocky, icy building blocks of the solar system. Launch of CONTOUR aboard a Boeing Delta II rocket is scheduled for July 1, 2002 KSC-02pd1024

KENNEDY SPACE CENTER, FLA. -- On Launch Complex 17-A, Cape Canaveral A...

KENNEDY SPACE CENTER, FLA. -- On Launch Complex 17-A, Cape Canaveral Air Force Station, workers attach a crane to the top of the canister containing the Comet Nucleus Tour (CONTOUR) spacecraft. CONTOUR will be... More

KENNEDY SPACE CENTER, FLA. - The interstage of the Delta II rocket is lifted up the launch tower on NASA's Space Launch Complex 2 (SLC-2), Vandenberg Air Force Base, Calif. The interstage will eventually house the second stage and will be mated with the first stage. The rocket will carry the ICESat and CHIPSat satellites into Earth orbits. ICESat is a 661-pound satellite known as Geoscience Laser Altimeter System (GLAS) that will revolutionize our understanding of ice and its role in global climate change and how we protect and understand our home planet. It will help scientists determine if the global sea level is rising or falling. It will look at the ice sheets that blanket the Earth's poles to see if they are growing or shrinking. It will assist in developing an understanding of how changes in the Earth's atmosphere and climate effect polar ice masses and global sea level. CHIPSat, a suitcase-size 131-pound satellite, will provide invaluable information into the origin, physical processes and properties of the hot gas contained in the interstellar medium. This can provide important clues about the formation and evolution of galaxies since the interstellar medium literally contains the seeds of future stars. The Delta II launch is scheduled for Jan. 11 between 4:45 p.m. - 5:30 p.m. PST. KSC-02pd2041

KENNEDY SPACE CENTER, FLA. - The interstage of the Delta II rocket is ...

KENNEDY SPACE CENTER, FLA. - The interstage of the Delta II rocket is lifted up the launch tower on NASA's Space Launch Complex 2 (SLC-2), Vandenberg Air Force Base, Calif. The interstage will eventually house... More

KENNEDY SPACE CENTER, FLA. - The first stage of the Delta II rocket is in the process of being raised to a vertical position on NASA's Space Launch Complex 2 (SLC-2) at Vandenberg Air Force Base, Calif. The rocket will carry the ICESat and CHIPSat satellites into Earth orbits. ICESat is a 661-pound satellite known as Geoscience Laser Altimeter System (GLAS) that will revolutionize our understanding of ice and its role in global climate change and how we protect and understand our home planet. It will help scientists determine if the global sea level is rising or falling. It will look at the ice sheets that blanket the Earth's poles to see if they are growing or shrinking. It will assist in developing an understanding of how changes in the Earth's atmosphere and climate effect polar ice masses and global sea level. CHIPSat, a suitcase-size 131-pound satellite, will provide invaluable information into the origin, physical processes and properties of the hot gas contained in the interstellar medium. This can provide important clues about the formation and evolution of galaxies since the interstellar medium literally contains the seeds of future stars. The Delta II launch is scheduled for Jan. 11 between 4:45 p.m. - 5:30 p.m. PST. KSC-02pd2031

KENNEDY SPACE CENTER, FLA. - The first stage of the Delta II rocket i...

KENNEDY SPACE CENTER, FLA. - The first stage of the Delta II rocket is in the process of being raised to a vertical position on NASA's Space Launch Complex 2 (SLC-2) at Vandenberg Air Force Base, Calif. The r... More

KENNEDY SPACE CENTER, FLA. - Workers at the base of the launch tower on NASA's Space Launch Complex 2 (SLC-2), Vandenberg Air Force Base, Calif., watch as the interstage of the Delta II rocket is lifted up the tower. The interstage will eventually house the second stage and will be mated with the first stage. The rocket will carry the ICESat and CHIPSat satellites into Earth orbits. ICESat is a 661-pound satellite known as Geoscience Laser Altimeter System (GLAS) that will revolutionize our understanding of ice and its role in global climate change and how we protect and understand our home planet. It will help scientists determine if the global sea level is rising or falling. It will look at the ice sheets that blanket the Earth's poles to see if they are growing or shrinking. It will assist in developing an understanding of how changes in the Earth's atmosphere and climate effect polar ice masses and global sea level. CHIPSat, a suitcase-size 131-pound satellite, will provide invaluable information into the origin, physical processes and properties of the hot gas contained in the interstellar medium. This can provide important clues about the formation and evolution of galaxies since the interstellar medium literally contains the seeds of future stars. The Delta II launch is scheduled for Jan. 11 between 4:45 p.m. - 5:30 p.m. PST. KSC-02pd2040

KENNEDY SPACE CENTER, FLA. - Workers at the base of the launch tower o...

KENNEDY SPACE CENTER, FLA. - Workers at the base of the launch tower on NASA's Space Launch Complex 2 (SLC-2), Vandenberg Air Force Base, Calif., watch as the interstage of the Delta II rocket is lifted up the ... More

KENNEDY SPACE CENTER, FLA. - A second stage is lifted at NASA's Space Launch Complex 2 (SLC-2) at Vandenberg Air Force Base, Calif., for placement atop a Delta II rocket. The rocket will carry the ICESat and CHIPSat satellites into Earth orbits. The Ice, Cloud, and Land Elevation Satellite, or ICESat, is a 661-pound satellite carrying the Geoscience Laser Altimeter System (GLAS) that will revolutionize our understanding of ice and its role in global climate change and how we protect and understand our home planet. It will help scientists determine if the global sea level is rising or falling. It will look at the ice sheets that blanket the Earth's poles to see if they are growing or shrinking. It will assist in developing an understanding of how changes in the Earth's atmosphere and climate effect polar ice masses and global sea level. The Cosmic Hot Interstellar Plasma Spectrometer, or CHIPSat, a suitcase-size 131-pound satellite, will provide invaluable information into the origin, physical processes and properties of the hot gas contained in the interstellar medium. This can provide important clues about the formation and evolution of galaxies since the interstellar medium literally contains the seeds of future stars. The Delta II launch is scheduled for Jan. 11, 2003, between 4:45 p.m. - 5:30 p.m. PST. KSC-02pd2060

KENNEDY SPACE CENTER, FLA. - A second stage is lifted at NASA's Space ...

KENNEDY SPACE CENTER, FLA. - A second stage is lifted at NASA's Space Launch Complex 2 (SLC-2) at Vandenberg Air Force Base, Calif., for placement atop a Delta II rocket. The rocket will carry the ICESat and C... More

KENNEDY SPACE CENTER, FLA. - Viewed from below, a Boeing Delta II rocket is lifted up the launch tower on Launch Complex 17-B, Cape Canaveral Air Force Station. The rocket is the launch vehicle for the Space Infrared Telescope Facility. SIRTF will obtain images and spectra by detecting the infrared energy, or heat, radiated by objects in space between wavelengths of 3 and 180 microns (1 micron is one-millionth of a meter). Most of this infrared radiation is blocked by the Earth's atmosphere and cannot be observed from the ground. Consisting of an 0.85-meter telescope and three cryogenically cooled science instruments, SIRTF is one of NASA's largest infrared telescopes to be launched. Its highly sensitive instruments will give a unique view of the Universe and peer into regions of space that are hidden from optical telescopes on the ground or orbiting telescopes such as the Hubble Space Telescope. KSC-03pd0532

KENNEDY SPACE CENTER, FLA. - Viewed from below, a Boeing Delta II rock...

KENNEDY SPACE CENTER, FLA. - Viewed from below, a Boeing Delta II rocket is lifted up the launch tower on Launch Complex 17-B, Cape Canaveral Air Force Station. The rocket is the launch vehicle for the Space In... More

KENNEDY SPACE CENTER, FLA. -- One of nine solid rocket boosters is lifted up the tower on Launch Complex 17-B, Cape Canaveral Air Force Station, for mating with the Delta II rocket that will launch the Space Infrared Telescope Facility. The second stage will later be hoisted atop the first stage. SIRTF will obtain images and spectra by detecting the infrared energy, or heat, radiated by objects in space. Most of this infrared radiation is blocked by the Earth's atmosphere and cannot be observed from the ground. Consisting of an 0.85-meter telescope and three cryogenically cooled science instruments, SIRTF is one of NASA's largest infrared telescopes to be launched. KSC-03pd0646

KENNEDY SPACE CENTER, FLA. -- One of nine solid rocket boosters is lif...

KENNEDY SPACE CENTER, FLA. -- One of nine solid rocket boosters is lifted up the tower on Launch Complex 17-B, Cape Canaveral Air Force Station, for mating with the Delta II rocket that will launch the Space In... More

KENNEDY SPACE CENTER, FLA. - On Launch Complex 17-B, Cape Canaveral Air Force Station, workers prepare another solid rocket booster that will be mated with the Delta II rocket in the background. The Delta II will launch the Space Infrared Telescope Facility. The second stage will later be hoisted atop the first stage. SIRTF will obtain images and spectra by detecting the infrared energy, or heat, radiated by objects in space. Most of this infrared radiation is blocked by the Earth's atmosphere and cannot be observed from the ground. Consisting of an 0.85-meter telescope and three cryogenically cooled science instruments, SIRTF is one of NASA's largest infrared telescopes to be launched. KSC-03pd0652

KENNEDY SPACE CENTER, FLA. - On Launch Complex 17-B, Cape Canaveral Ai...

KENNEDY SPACE CENTER, FLA. - On Launch Complex 17-B, Cape Canaveral Air Force Station, workers prepare another solid rocket booster that will be mated with the Delta II rocket in the background. The Delta II wi... More

KENNEDY SPACE CENTER, FLA. - The first stage of the Delta II rocket to launch the MER-A (Mars Exploration Rover) vehicle is in place for a vertical lift up the launch tower on Pad 17-A on Cape Canaveral Air Force Station. The MER Mission consists of two identical rovers designed to cover roughly 110 yards each Martian day over various terrain. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. Identical to each other, the rovers will land at different regions of Mars. Launch date for this first of NASA's two Mars Exploration Rover missions is scheduled no earlier than June 6. KSC-03pd1210

KENNEDY SPACE CENTER, FLA. - The first stage of the Delta II rocket to...

KENNEDY SPACE CENTER, FLA. - The first stage of the Delta II rocket to launch the MER-A (Mars Exploration Rover) vehicle is in place for a vertical lift up the launch tower on Pad 17-A on Cape Canaveral Air For... More

KENNEDY SPACE CENTER, FLA. - Workers attach an overhead crane to the Mars Exploration Rover 1 (MER-1) inside the upper backshell. The backshell will be moved and attached to the lower heat shield. NASA's twin Mars Exploration Rovers are designed to study the history of water on Mars. These robotic geologists are equipped with a robotic arm, a drilling tool, three spectrometers, and four pairs of cameras that allow them to have a human-like, 3D view of the terrain. Each rover could travel as far as 100 meters in one day to act as Mars scientists' eyes and hands, exploring an environment where humans can't yet go. MER-1 is scheduled to launch June 25 as MER-B aboard a Delta II rocket from Cape Canaveral Air Force Station.

KENNEDY SPACE CENTER, FLA. - Workers attach an overhead crane to the ...

KENNEDY SPACE CENTER, FLA. - Workers attach an overhead crane to the Mars Exploration Rover 1 (MER-1) inside the upper backshell. The backshell will be moved and attached to the lower heat shield. NASA's tw... More

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, workers prepare to mate the Mars Exploration Rover-2 (MER-2) to the third stage of a Delta II rocket for launch on June 5. NASA’s twin Mars Exploration Rovers are designed to study the history of water on Mars. These robotic geologists are equipped with a robotic arm, a drilling tool, three spectrometers, and four pairs of cameras that allow them to have a human-like, 3D view of the terrain. Each rover could travel as far as 100 meters in one day to act as Mars scientists' eyes and hands, exploring an environment where humans can’t yet go. MER-1 (MER-B) will launch June 25.

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facil...

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, workers prepare to mate the Mars Exploration Rover-2 (MER-2) to the third stage of a Delta II rocket for launch on June 5. NASA’s twin... More

KENNEDY SPACE CENTER, FLA. - On Launch Pad 17-A, Cape Canaveral Air Force Station, the Mars Exploration Rover 2 (MER-2), inside the transport canister, is moved toward the platform in the launch tower. MER-2 will be mated to the Delta II rocket for launch. MER-2 is one of NASA's twin Mars Exploration Rovers designed to study the history of water on Mars. These robotic geologists are equipped with a robotic arm, a drilling tool, three spectrometers, and four pairs of cameras that allow them to have a human-like, 3D view of the terrain. Each rover could travel as far as 100 meters in one day to act as Mars scientists' eyes and hands, exploring an environment where humans can't yet go. MER-2 is scheduled to launch no earlier than June 8 as MER-A.

KENNEDY SPACE CENTER, FLA. - On Launch Pad 17-A, Cape Canaveral Air Fo...

KENNEDY SPACE CENTER, FLA. - On Launch Pad 17-A, Cape Canaveral Air Force Station, the Mars Exploration Rover 2 (MER-2), inside the transport canister, is moved toward the platform in the launch tower. MER-2 w... More

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, workers prepare to lift the Mars Exploration Rover-1 (MER-B) onto a spin table during preflight processing of the spacecraft. The rover is scheduled to launch aboard a Delta II rocket on June 25. NASA’s twin Mars Exploration Rovers are designed to study the history of water on Mars. These robotic geologists are equipped with a robotic arm, a drilling tool, three spectrometers, and four pairs of cameras that allow them to have a human-like, 3D view of the terrain. Each rover could travel as far as 100 meters in one day to act as Mars scientists' eyes and hands, exploring an environment where humans are not yet able to go. The launch of MER-2 (MER-A) is tentatively set for June 8.

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facili...

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, workers prepare to lift the Mars Exploration Rover-1 (MER-B) onto a spin table during preflight processing of the spacecraft. The rover... More

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, the Mars Exploration Rover-1 (MER-B) awaits further preflight processing atop a spin table. The rover is scheduled to launch aboard a Delta II rocket on June 25. NASA’s twin Mars Exploration Rovers are designed to study the history of water on Mars. These robotic geologists are equipped with a robotic arm, a drilling tool, three spectrometers, and four pairs of cameras that allow them to have a human-like, 3D view of the terrain. Each rover could travel as far as 100 meters in one day to act as Mars scientists' eyes and hands, exploring an environment where humans are not yet able to go. The launch of MER-2 (MER-A) is tentatively set for June 8.

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facili...

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, the Mars Exploration Rover-1 (MER-B) awaits further preflight processing atop a spin table. The rover is scheduled to launch aboard a D... More

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, workers prepare to lift the Mars Exploration Rover-1 (MER-B) onto a spin table during preflight processing of the spacecraft. The rover is scheduled to launch aboard a Delta II rocket on June 25. NASA’s twin Mars Exploration Rovers are designed to study the history of water on Mars. These robotic geologists are equipped with a robotic arm, a drilling tool, three spectrometers, and four pairs of cameras that allow them to have a human-like, 3D view of the terrain. Each rover could travel as far as 100 meters in one day to act as Mars scientists' eyes and hands, exploring an environment where humans are not yet able to go. The launch of MER-2 (MER-A) is tentatively set for June 8.

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facili...

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, workers prepare to lift the Mars Exploration Rover-1 (MER-B) onto a spin table during preflight processing of the spacecraft. The rover... More

KENNEDY SPACE CENTER, FLA. - The second stage of a Delta II rocket arrives at Pad 17-B, Cape Canaveral Air Force Station. It will be mated to the Delta first stage already at the pad in preparation for the launch of the Mars Exploration Rover-1 (MER-B) on June 25. NASA’s twin Mars Exploration Rovers are designed to study the history of water on Mars. These robotic geologists are equipped with a robotic arm, a drilling tool, three spectrometers, and four pairs of cameras that allow them to have a human-like, 3D view of the terrain. Each rover could travel as far as 100 meters in one day to act as Mars scientists' eyes and hands, exploring an environment where humans are not yet able to go. The launch of MER-2 (MER-A) is tentatively set for June 8.

KENNEDY SPACE CENTER, FLA. - The second stage of a Delta II rocket arr...

KENNEDY SPACE CENTER, FLA. - The second stage of a Delta II rocket arrives at Pad 17-B, Cape Canaveral Air Force Station. It will be mated to the Delta first stage already at the pad in preparation for the laun... More

KENNEDY SPACE CENTER, FLA. - Workers prepare to lift the second stage of a Delta II rocket up the launch tower on Pad 17-B, Cape Canaveral Air Force Station. It will be mated to the Delta first stage already at the pad in preparation for the launch of the Mars Exploration Rover-1 (MER-B) on June 25. NASA’s twin Mars Exploration Rovers are designed to study the history of water on Mars. These robotic geologists are equipped with a robotic arm, a drilling tool, three spectrometers, and four pairs of cameras that allow them to have a human-like, 3D view of the terrain. Each rover could travel as far as 100 meters in one day to act as Mars scientists' eyes and hands, exploring an environment where humans are not yet able to go. The launch of MER-2 (MER-A) is tentatively set for June 8.

KENNEDY SPACE CENTER, FLA. - Workers prepare to lift the second stage ...

KENNEDY SPACE CENTER, FLA. - Workers prepare to lift the second stage of a Delta II rocket up the launch tower on Pad 17-B, Cape Canaveral Air Force Station. It will be mated to the Delta first stage already a... More

KENNEDY SPACE CENTER, FLA. - The Mobile Service Tower is rolled back at Launch Complex 17A to reveal a Delta II rocket ready to launch the Mars Exploration Rover-A mission. NASA's twin Mars Exploration Rovers are designed to study the history of water on Mars. These robotic geologists are equipped with a robotic arm, a drilling tool, three spectrometers, and four pairs of cameras that allow them to have a human-like, 3D view of the terrain. Each rover could travel as far as 100 meters in one day to act as Mars scientists' eyes and hands, exploring an environment where humans are not yet able to go. MER-A, with the rover Spirit aboard, is scheduled to launch on June 8 at 2:06 p.m. EDT, with two launch opportunities each day during a launch period that closes on June 24.

KENNEDY SPACE CENTER, FLA. - The Mobile Service Tower is rolled back ...

KENNEDY SPACE CENTER, FLA. - The Mobile Service Tower is rolled back at Launch Complex 17A to reveal a Delta II rocket ready to launch the Mars Exploration Rover-A mission. NASA's twin Mars Exploration Rovers... More

KENNEDY SPACE CENTER, FLA. - On Launch Complex 17-A, Cape Canaveral Air Force Station, the Boeing Delta II rocket and its Mars Exploration Rover (MER-A) payload are free of the tower and ready for launch. This will be the third launch attempt in as many days after weather concerns postponed the launches June 8 and June 9. MER-A is the first of two rovers being launched to Mars. When the two rovers arrive at the red planet in 2004, they will bounce to airbag-cushioned landings at sites offering a balance of favorable conditions for safe landings and interesting science. The rovers see sharper images, can explore farther and examine rocks better than anything that has ever landed on Mars. The designated site for MER-A mission is Gusev Crater, which appears to have been a crater lake. The second rover, MER-B, is scheduled to launch June 25.

KENNEDY SPACE CENTER, FLA. - On Launch Complex 17-A, Cape Canaveral A...

KENNEDY SPACE CENTER, FLA. - On Launch Complex 17-A, Cape Canaveral Air Force Station, the Boeing Delta II rocket and its Mars Exploration Rover (MER-A) payload are free of the tower and ready for launch. Th... More

KENNEDY SPACE CENTER, FLA. - Blue sky and sun give a dramatic backdrop for the launch of the Delta II rocket with its Mars Exploration Rover (MER-A) payload. Liftoff occurred on time at 1:58 p.m. EDT from Launch Complex 17-A, Cape Canaveral Air Force Station. MER-A, known as "Spirit," is the first of two rovers being launched to Mars. When the two rovers arrive at the red planet in 2004, they will bounce to airbag-cushioned landings at sites offering a balance of favorable conditions for safe landings and interesting science. The rovers see sharper images, can explore farther and examine rocks better than anything that has ever landed on Mars. The designated site for the MER-A mission is Gusev Crater, which appears to have been a crater lake. The second rover, MER-B, is scheduled to launch June 25.

KENNEDY SPACE CENTER, FLA. - Blue sky and sun give a dramatic backdrop...

KENNEDY SPACE CENTER, FLA. - Blue sky and sun give a dramatic backdrop for the launch of the Delta II rocket with its Mars Exploration Rover (MER-A) payload. Liftoff occurred on time at 1:58 p.m. EDT from Lau... More

KENNEDY SPACE CENTER, FLA. - Workers on Launch Complex 17-B, Cape Canaveral Air Force Station, prepare the first stage of a Delta II rocket for its lift up the mobile service tower. The rocket is being erected to launch the Space InfraRed Telescope Facility (SIRTF). Consisting of an 0.85-meter telescope and three cryogenically cooled science instruments, SIRTF is one of NASA's largest infrared telescopes to be launched. SIRTF will obtain images and spectra by detecting the infrared energy, or heat, radiated by objects in space. Most of this infrared radiation is blocked by the Earth's atmosphere and cannot be observed from the ground.

KENNEDY SPACE CENTER, FLA. - Workers on Launch Complex 17-B, Cape Can...

KENNEDY SPACE CENTER, FLA. - Workers on Launch Complex 17-B, Cape Canaveral Air Force Station, prepare the first stage of a Delta II rocket for its lift up the mobile service tower. The rocket is being erecte... More

KENNEDY SPACE CENTER, FLA. - On Launch Complex 17-B, Cape Canaveral Air Force Station, the first stage of a Delta II rocket is raised off the transporter before lifting it up and moved into the mobile service tower. The rocket is being erected to launch the Space InfraRed Telescope Facility (SIRTF). Consisting of an 0.85-meter telescope and three cryogenically cooled science instruments, SIRTF is one of NASA's largest infrared telescopes to be launched. SIRTF will obtain images and spectra by detecting the infrared energy, or heat, radiated by objects in space. Most of this infrared radiation is blocked by the Earth's atmosphere and cannot be observed from the ground.

KENNEDY SPACE CENTER, FLA. - On Launch Complex 17-B, Cape Canaveral ...

KENNEDY SPACE CENTER, FLA. - On Launch Complex 17-B, Cape Canaveral Air Force Station, the first stage of a Delta II rocket is raised off the transporter before lifting it up and moved into the mobile service... More

KENNEDY SPACE CENTER, FLA. - A worker at Hangar A&E, Cape Canaveral Air Force Station, tightens the canister around the Space Infrared Telescope Facility (SIRTF). The spacecraft will be transported to Launch Complex 17-B for mating with its launch vehicle, the Delta II rocket. SIRTF consists of three cryogenically cooled science instruments and an 0.85-meter telescope, and is one of NASA's largest infrared telescopes to be launched. SIRTF will obtain images and spectra by detecting the infrared energy, or heat, radiated by objects in space. Most of this infrared radiation is blocked by the Earth's atmosphere and cannot be observed from the ground.

KENNEDY SPACE CENTER, FLA. - A worker at Hangar A&E, Cape Canaveral A...

KENNEDY SPACE CENTER, FLA. - A worker at Hangar A&E, Cape Canaveral Air Force Station, tightens the canister around the Space Infrared Telescope Facility (SIRTF). The spacecraft will be transported to Launch ... More

KENNEDY SPACE CENTER, FLA. - Doors are open on the air-conditioned transportation van that carried NASA’s MESSENGER spacecraft from NASA’s Goddard Space Flight Center in Greenbelt, Md., to the Astrotech Space Operations processing facilities near KSC. After offloading, MESSENGER - short for MErcury Surface, Space ENvironment, GEochemistry and Ranging - will be taken into a high bay clean room and employees of the Johns Hopkins University Applied Physics Laboratory, builders of the spacecraft, will perform an initial state-of-health check. Then processing for launch can begin, including checkout of the power systems, communications systems and control systems. The thermal blankets will also be attached for flight. MESSENGER will be launched May 11 on a six-year mission aboard a Boeing Delta II rocket. Liftoff is targeted for 2:26 a.m. EDT on Tuesday, May 11.

KENNEDY SPACE CENTER, FLA. - Doors are open on the air-conditioned tr...

KENNEDY SPACE CENTER, FLA. - Doors are open on the air-conditioned transportation van that carried NASA’s MESSENGER spacecraft from NASA’s Goddard Space Flight Center in Greenbelt, Md., to the Astrotech Space ... More

KENNEDY SPACE CENTER, FLA. - In the high bay clean room at the Astrotech Space Operations processing facilities near KSC, workers remove the protective cover from NASA’s MESSENGER spacecraft. Employees of the Johns Hopkins University Applied Physics Laboratory, builders of the spacecraft, will perform an initial state-of-health check. Then processing for launch can begin, including checkout of the power systems, communications systems and control systems. The thermal blankets will also be attached for flight. MESSENGER - short for MErcury Surface, Space ENvironment, GEochemistry and Ranging - will be launched May 11 on a six-year mission aboard a Boeing Delta II rocket. Liftoff is targeted for 2:26 a.m. EDT on Tuesday, May 11.

KENNEDY SPACE CENTER, FLA. - In the high bay clean room at the Astrot...

KENNEDY SPACE CENTER, FLA. - In the high bay clean room at the Astrotech Space Operations processing facilities near KSC, workers remove the protective cover from NASA’s MESSENGER spacecraft. Employees of the... More

KENNEDY SPACE CENTER, FLA. -- The Gravity Probe B spacecraft is in NASA’s Payload Processing Facility 1610 on North Vandenberg Air Force Base in California after completion of prelaunch processing before going to the pad. The spacecraft will be transported to Space Launch Complex 2 on April 1 and mated to the Boeing Delta II rocket. Gravity Probe B consists of four sophisticated gyroscopes that will provide an almost perfect space-time reference system. The mission will look in a precise manner for tiny changes in the direction of spin. Gravity Probe B will be launched into a 400-nautical-mile-high polar orbit for a 16-month mission. Launch is scheduled for April 17. KSC-04pd0785

KENNEDY SPACE CENTER, FLA. -- The Gravity Probe B spacecraft is in NA...

KENNEDY SPACE CENTER, FLA. -- The Gravity Probe B spacecraft is in NASA’s Payload Processing Facility 1610 on North Vandenberg Air Force Base in California after completion of prelaunch processing before going... More

KENNEDY SPACE CENTER, FLA. -- This photo of the Delta II rocket carrying the Gravity Probe B spacecraft was taken minutes before launch from Space Launch Complex 2 on Vandenberg AFB, Calif., at 9:57:24 a.m. PDT. KSC-04pd1079

KENNEDY SPACE CENTER, FLA. -- This photo of the Delta II rocket carryi...

KENNEDY SPACE CENTER, FLA. -- This photo of the Delta II rocket carrying the Gravity Probe B spacecraft was taken minutes before launch from Space Launch Complex 2 on Vandenberg AFB, Calif., at 9:57:24 a.m. PDT.

KENNEDY SPACE CENTER, FLA. -- A remote camera captures liftoff of the Delta II rocket carrying the Gravity Probe B spacecraft from Space Launch Complex 2 on Vandenberg AFB, Calif., at 9:57:24 a.m. PDT. KSC-04pd1083

KENNEDY SPACE CENTER, FLA. -- A remote camera captures liftoff of the ...

KENNEDY SPACE CENTER, FLA. -- A remote camera captures liftoff of the Delta II rocket carrying the Gravity Probe B spacecraft from Space Launch Complex 2 on Vandenberg AFB, Calif., at 9:57:24 a.m. PDT.

KENNEDY SPACE CENTER, FLA. -- A remote camera captures liftoff of the Delta II rocket carrying the Gravity Probe B spacecraft from Space Launch Complex 2 on Vandenberg AFB, Calif., at 9:57:24 a.m. PDT. KSC-04pd1081

KENNEDY SPACE CENTER, FLA. -- A remote camera captures liftoff of the ...

KENNEDY SPACE CENTER, FLA. -- A remote camera captures liftoff of the Delta II rocket carrying the Gravity Probe B spacecraft from Space Launch Complex 2 on Vandenberg AFB, Calif., at 9:57:24 a.m. PDT.

KENNEDY SPACE CENTER, FLA. - Inside the mobile service tower, or gantry, at Space Launch Complex 2 on North Vandenberg Air Force Base, Calif., the Aura spacecraft is maneuvered into position over the second stage of the Boeing Delta II rocket. After it is mated with the second stage, the fairing will be installed. The latest in the Earth Observing System (EOS) series, Aura is scheduled to launch July 10. Aura’s four state-of-the-art instruments will study the dynamics of chemistry occurring in the atmosphere. The spacecraft will provide data to help scientists better understand the Earth’s ozone, air quality and climate change. KSC-04pd1357

KENNEDY SPACE CENTER, FLA. - Inside the mobile service tower, or gant...

KENNEDY SPACE CENTER, FLA. - Inside the mobile service tower, or gantry, at Space Launch Complex 2 on North Vandenberg Air Force Base, Calif., the Aura spacecraft is maneuvered into position over the second st... More

KENNEDY SPACE CENTER, FLA. - At right, technicians at Astrotech in Titusville, Fla., guide into place the second solar panel to be installed on NASA’s MESSENGER spacecraft. At left is the first panel already installed. The two large solar panels, supplemented with a nickel-hydrogen battery, will provide MESSENGER’s power. MESSENGER is scheduled to launch Aug. 2 aboard a Boeing Delta II rocket from Pad 17-B, Cape Canaveral Air Force Station, Fla. It will return to Earth for a gravity boost in July 2005, then fly past Venus twice, in October 2006 and June 2007. The spacecraft uses the tug of Venus’ gravity to resize and rotate its trajectory closer to Mercury’s orbit. Three Mercury flybys, each followed about two months later by a course-correction maneuver, put MESSENGER in position to enter Mercury orbit in March 2011. During the flybys, MESSENGER will map nearly the entire planet in color, image most of the areas unseen by Mariner 10, and measure the composition of the surface, atmosphere and magnetosphere. It will be the first new data from Mercury in more than 30 years - and invaluable for planning MESSENGER’s year-long orbital mission. MESSENGER was built for NASA by the Johns Hopkins University Applied Physics Laboratory in Laurel, Md. KSC-04pd1348

KENNEDY SPACE CENTER, FLA. - At right, technicians at Astrotech in Ti...

KENNEDY SPACE CENTER, FLA. - At right, technicians at Astrotech in Titusville, Fla., guide into place the second solar panel to be installed on NASA’s MESSENGER spacecraft. At left is the first panel already ... More

KENNEDY SPACE CENTER, FLA. - The first stage of the Boeing Delta II rocket is lifted off its transporter on Pad 17-B, Cape Canaveral Air Force Station toward the mobile service tower. The Delta II is the launch vehicle for the MESSENGER spacecraft, scheduled to lift off Aug. 2, bound for Mercury. The spacecraft is expected to reach orbit around Mercury in March 2011. MESSENGER was built for NASA by the Johns Hopkins University Applied Physics Laboratory in Laurel, Md. KSC-04pd1391

KENNEDY SPACE CENTER, FLA. - The first stage of the Boeing Delta II r...

KENNEDY SPACE CENTER, FLA. - The first stage of the Boeing Delta II rocket is lifted off its transporter on Pad 17-B, Cape Canaveral Air Force Station toward the mobile service tower. The Delta II is the laun... More

KENNEDY SPACE CENTER, FLA. - Workers on Pad 17-B, Cape Canaveral Air Force Station, check the cables on the overhead crane that will lift the first stage of the Boeing Delta II rocket off its transporter and moved into the mobile service tower. The Delta II is the launch vehicle for the MESSENGER spacecraft, scheduled to lift off Aug. 2, bound for Mercury. The spacecraft is expected to reach orbit around Mercury in March 2011. MESSENGER was built for NASA by the Johns Hopkins University Applied Physics Laboratory in Laurel, Md. KSC-04pd1389

KENNEDY SPACE CENTER, FLA. - Workers on Pad 17-B, Cape Canaveral Air ...

KENNEDY SPACE CENTER, FLA. - Workers on Pad 17-B, Cape Canaveral Air Force Station, check the cables on the overhead crane that will lift the first stage of the Boeing Delta II rocket off its transporter and m... More

KENNEDY SPACE CENTER, FLA. - On Launch Pad 17-B, Cape Canaveral Air Force Station, the Boeing Delta II rocket with the Mercury Surface, Space Environment, Geochemistry and Ranging (MESSENGER) spacecraft aboard waits for rollback of the mobile service tower and a second launch attempt in two days. The first attempt Aug. 2 was postponed due to lightning potential from residual clouds that were associated with Tropical Storm Alex. The launch of MESSENGER on a seven-year journey to the planet Mercury is rescheduled for this date at 2:15:56 a.m. EDT at the opening of a 12-second launch window. MESSENGER will fly by Earth, Venus and Mercury several times to burn off energy before making its final approach to the inner planet on March 18, 2011. MESSENGER was built for NASA by the Johns Hopkins University Applied Physics Laboratory in Laurel, Md. KSC-04pd1619

KENNEDY SPACE CENTER, FLA. - On Launch Pad 17-B, Cape Canaveral Air Fo...

KENNEDY SPACE CENTER, FLA. - On Launch Pad 17-B, Cape Canaveral Air Force Station, the Boeing Delta II rocket with the Mercury Surface, Space Environment, Geochemistry and Ranging (MESSENGER) spacecraft aboard ... More

VANDENBERG AIR FORCE BASE, Calif. - Workers in the Astrotech Payload Processing Facility on Vandenberg Air Force Base in California prepare the covered dual spacecraft CALIPSO and CloudSat for placement inside the transport canister and the move to Space Launch Complex 2. There the spacecraft will be lifted and mated with a Boeing Delta II rocket for launch on April 21. CALIPSO stands for Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation. It will fly in combination with the CloudSat satellite to provide never-before-seen 3-D perspectives of how clouds and aerosols form, evolve, and affect weather and climate. CALIPSO and CloudSat will join three other satellites in orbit to enhance understanding of climate systems. KSC-06pd0662

VANDENBERG AIR FORCE BASE, Calif. - Workers in the Astrotech Payload...

VANDENBERG AIR FORCE BASE, Calif. - Workers in the Astrotech Payload Processing Facility on Vandenberg Air Force Base in California prepare the covered dual spacecraft CALIPSO and CloudSat for placement insid... More

VANDENBERG AIR FORCE BASE, Calif. - Inside the Astrotech Payload Processing Facility on Vandenberg Air Force Base in California, a crane lifts the transport canister covering the dual spacecraft CALIPSO and CloudSat. The spacecraft is being moved to Space Launch Complex 2. There the spacecraft will be lifted and mated with a Boeing Delta II rocket for launch on April 21. CALIPSO stands for Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation. It will fly in combination with the CloudSat satellite to provide never-before-seen 3-D perspectives of how clouds and aerosols form, evolve, and affect weather and climate. CALIPSO and CloudSat will join three other satellites in orbit to enhance understanding of climate systems. KSC-06pd0670

VANDENBERG AIR FORCE BASE, Calif. - Inside the Astrotech Payload Pro...

VANDENBERG AIR FORCE BASE, Calif. - Inside the Astrotech Payload Processing Facility on Vandenberg Air Force Base in California, a crane lifts the transport canister covering the dual spacecraft CALIPSO and C... More

KENNEDY SPACE CENTER, FLA. - Workers remove the protective covering from around one of NASA's Solar Terrestrial Relations Observatory (STEREO) spacecraft in the clean room at Astrotech, a payload processing facility near Kennedy Space Center in Florida. The spacecraft arrived on May 3 and will now undergo final preparations and testing for launch. Liftoff will occur aboard a Boeing Delta II rocket from Launch Complex 17 on Cape Canaveral Air Force Station in the summer. STEREO consists of two spacecraft whose mission is the first to take measurements of the sun and solar wind in 3-D. This new view will improve our understanding of space weather and its impact on the Earth. Photo credit: NASA/Jim Grossmann KSC-06pd0776

KENNEDY SPACE CENTER, FLA. - Workers remove the protective covering fr...

KENNEDY SPACE CENTER, FLA. - Workers remove the protective covering from around one of NASA's Solar Terrestrial Relations Observatory (STEREO) spacecraft in the clean room at Astrotech, a payload processing fac... More

KENNEDY SPACE CENTER, FLA. - One of NASA's Solar Terrestrial Relations Observatory (STEREO) spacecraft is exposed to the clean room environment at Astrotech, a payload processing facility near Kennedy Space Center in Florida, as workers continue to remove its protective covering. The spacecraft arrived on May 3 and will now undergo final preparations and testing for launch. Liftoff will occur aboard a Boeing Delta II rocket from Launch Complex 17 on Cape Canaveral Air Force Station in the summer. STEREO consists of two spacecraft whose mission is the first to take measurements of the sun and solar wind in 3-D. This new view will improve our understanding of space weather and its impact on the Earth. Photo credit: NASA/Jim Grossmann KSC-06pd0778

KENNEDY SPACE CENTER, FLA. - One of NASA's Solar Terrestrial Relations...

KENNEDY SPACE CENTER, FLA. - One of NASA's Solar Terrestrial Relations Observatory (STEREO) spacecraft is exposed to the clean room environment at Astrotech, a payload processing facility near Kennedy Space Cen... More

KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusville, Fla., technicians check the STEREO spacecraft "B" as it moves away from a tilt table (at right). The spacecraft will be placed on another stand nearby. STEREO stands for Solar Terrestrial Relations Observatory. The STEREO mission is the first to take measurements of the sun and solar wind in 3-dimension. This new view will improve our understanding of space weather and its impact on the Earth. STEREO is expected to lift off aboard a Boeing Delta II rocket on July 22. Photo credit: NASA/George Shelton KSC-06pd1151

KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusv...

KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusville, Fla., technicians check the STEREO spacecraft "B" as it moves away from a tilt table (at right). The spacecraft will be placed on ano... More

KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusville, Fla., a technician works a guideline to the overhead crane as the STEREO spacecraft "B" is being moved to a stand nearby for testing. STEREO stands for Solar Terrestrial Relations Observatory. The STEREO mission is the first to take measurements of the sun and solar wind in 3-dimension. This new view will improve our understanding of space weather and its impact on the Earth. STEREO is expected to lift off aboard a Boeing Delta II rocket on July 22. Photo credit: NASA/George Shelton KSC-06pd1149

KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusv...

KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusville, Fla., a technician works a guideline to the overhead crane as the STEREO spacecraft "B" is being moved to a stand nearby for testing. ... More

KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusville, Fla., technicians help guide the STEREO spacecraft "A" as it is lowered onto a tilt table. On the table, the observatory will be tilted down so that technicians can perform the final comprehensive performance test of the instruments, verifying the instrument is fully functional before flight. After a rotation, this configuration also allows deployment tests to be done on the solar arrays. STEREO stands for Solar Terrestrial Relations Observatory. The STEREO mission is the first to take measurements of the sun and solar wind in 3-dimension. This new view will improve our understanding of space weather and its impact on the Earth. STEREO is expected to lift off aboard a Boeing Delta II rocket on July 22. Photo credit: NASA/George Shelton KSC-06pd1157

KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusv...

KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusville, Fla., technicians help guide the STEREO spacecraft "A" as it is lowered onto a tilt table. On the table, the observatory will be tilt... More

KENNEDY SPACE CENTER, FLA. - During solid rocket booster lifting operations on Launch Pad 17-B at Cape Canaveral Air Force Station in Florida, a moth is spotted resting on a structure, oblivious to the action around it. The SRB will be mated with the Boeing Delta II rocket already in place. The Delta rocket is the launch vehicle for NASA's Solar Terrestrial Relations Observatory (STEREO). Preparations are under way for a liftoff no earlier than Aug. 1. STEREO consists of two spacecraft whose mission is the first to take measurements of the sun and solar wind in 3-D. This new view will improve our understanding of space weather and its impact on the Earth. Photo credit: NASA/Kim Shiflett KSC-06pd1485

KENNEDY SPACE CENTER, FLA. - During solid rocket booster lifting op...

KENNEDY SPACE CENTER, FLA. - During solid rocket booster lifting operations on Launch Pad 17-B at Cape Canaveral Air Force Station in Florida, a moth is spotted resting on a structure, oblivious to the actio... More

KENNEDY SPACE CENTER, FLA. - In the hazardous processing facility at Astrotech Space Operations in Titusville, Fla., technicians check Observatory A before lifting onto a scale for weight measurements. The observatory is one of two in the STEREO spacecraft and later will be fueled. STEREO stands for Solar Terrestrial Relations Observatory. The STEREO mission is the first to take measurements of the sun and solar wind in 3-dimension. This new view will improve our understanding of space weather and its impact on the Earth. STEREO is expected to lift off aboard a Boeing Delta II rocket no earlier than Aug. 1. Photo credit: NASA/Jack Pfaller KSC-06pd1538

KENNEDY SPACE CENTER, FLA. - In the hazardous processing facility at...

KENNEDY SPACE CENTER, FLA. - In the hazardous processing facility at Astrotech Space Operations in Titusville, Fla., technicians check Observatory A before lifting onto a scale for weight measurements. The o... More

KENNEDY SPACE CENTER, FLA. - In the hazardous processing facility at Astrotech Space Operations in Titusville, Fla., Observatory A of the STEREO spacecraft waits for its move to a scale and later will be fueled. STEREO stands for Solar Terrestrial Relations Observatory. The STEREO mission is the first to take measurements of the sun and solar wind in 3-dimension. This new view will improve our understanding of space weather and its impact on the Earth. STEREO is expected to lift off aboard a Boeing Delta II rocket no earlier than Aug. 1. Photo credit: NASA/Jack Pfaller KSC-06pd1536

KENNEDY SPACE CENTER, FLA. - In the hazardous processing facility a...

KENNEDY SPACE CENTER, FLA. - In the hazardous processing facility at Astrotech Space Operations in Titusville, Fla., Observatory A of the STEREO spacecraft waits for its move to a scale and later will be fue... More

KENNEDY SPACE CENTER, FLA. - Inside the mobile service tower on Launch Pad 17-B at Cape Canaveral Air Force Station in Florida, the shrouded first half of the payload fairing for the STEREO spacecraft is lowered into a clean room. It will later be installed around the spacecraft for protection during launch. The fairing will be moved into the clean room in the tower and later installed around the spacecraft for protection during launch. The fairing is a molded structure that fits flush with the outside surface of the Delta II upper stage booster and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. STEREO, which stands for Solar Terrestrial Relations Observatory, comprises two spacecraft. The STEREO mission is the first to take measurements of the sun and solar wind in 3-dimension. This new view will improve our understanding of space weather and its impact on the Earth. STEREO is expected to lift off aboard a Boeing Delta II rocket in August 2006. Photo credit: NASA/Jim Grossmann KSC-06pd1559

KENNEDY SPACE CENTER, FLA. - Inside the mobile service tower on Launc...

KENNEDY SPACE CENTER, FLA. - Inside the mobile service tower on Launch Pad 17-B at Cape Canaveral Air Force Station in Florida, the shrouded first half of the payload fairing for the STEREO spacecraft is lower... More

KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusville, Fla., workers look at the Delta third stage, or upper stage booster. In the background are the recently mated STEREO observatories, which is the launch configuration. STEREO, which stands for Solar Terrestrial Relations Observatory, is the first to take measurements of the sun and solar wind in 3-dimension. This new view will improve our understanding of space weather and its impact on the Earth. STEREO is expected to lift off aboard a Boeing Delta II rocket from Launch Pad 17-B at Cape Canaveral Air Force Station on Aug. 31. Photo credit: NASA/George Shelton KSC-06pd1802

KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusv...

KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusville, Fla., workers look at the Delta third stage, or upper stage booster. In the background are the recently mated STEREO observatories, ... More

KENNEDY SPACE CENTER, FLA. - After arriving at Launch Pad 17-B on Cape Canaveral Air Force Station, the STEREO spacecraft waits for a crane to be fitted over it and be lifted into the mobile service tower. STEREO will be mated with its launch vehicle, a Boeing Delta II rocket. STEREO stands for Solar Terrestrial Relations Observatory and comprises two spacecraft. The STEREO mission is the first to take measurements of the sun and solar wind in 3-dimension. This new view will improve our understanding of space weather and its impact on the Earth. The STEREO mission is managed by Goddard Space Flight Center. The Applied Physics Laboratory designed and built the spacecraft. The laboratory will maintain command and control of the observatories throughout the mission, while NASA tracks and receives the data, determines the orbit of the satellites, and coordinates the science results. STEREO is expected to lift off Oct. 25. Photo credit: NASA/George Shelton KSC-06pd2264

KENNEDY SPACE CENTER, FLA. - After arriving at Launch Pad 17-B on Cap...

KENNEDY SPACE CENTER, FLA. - After arriving at Launch Pad 17-B on Cape Canaveral Air Force Station, the STEREO spacecraft waits for a crane to be fitted over it and be lifted into the mobile service tower. ST... More

KENNEDY SPACE CENTER, FLA. -- One of the five THEMIS probes is being transported from Astrotech Space Operations in Titusville, Fla., to the hazardous processing facility. There the probes will be placed on a stand in preparation for fueling operations. Once fueling is complete, each probe will be weighed and individually mated to the payload carrier before pyrotechnics are installed. The fully integrated THEMIS payload is then ready for spin-balance testing and weighing. The final milestone is mating THEMIS to its upper stage booster. THEMIS consists of five identical probes, the largest number of scientific satellites ever launched into orbit aboard a single rocket. This unique constellation of satellites will resolve the tantalizing mystery of what causes the spectacular sudden brightening of the aurora borealis and aurora australis - the fiery skies over the Earth's northern and southern polar regions. These lights are the visible manifestations of invisible energy releases, called geomagnetic substorms, in near-Earth space. THEMIS will not only seek to answer where and when substorms start, but will also provide clues as to how and why these space storms create havoc on satellites, terrestrial power grids, and communication systems. THEMIS will be transported to Pad 17-B at Cape Canaveral Air Force Station on February 1 for mating to the Delta II rocket. Launch is scheduled for Feb. 15. Photo credit: NASA/George Shelton KSC-06pd2817

KENNEDY SPACE CENTER, FLA. -- One of the five THEMIS probes is being t...

KENNEDY SPACE CENTER, FLA. -- One of the five THEMIS probes is being transported from Astrotech Space Operations in Titusville, Fla., to the hazardous processing facility. There the probes will be placed on a s... More

KENNEDY SPACE CENTER, FLA. -- At Astrotech Space Operations in Titusville, Fla., technicians release the overhead crane from the shipping container placed around one of the five THEMIS probes for its move to the hazardous processing facility. There the probes will be placed on a stand in preparation for fueling operations. Once fueling is complete, each probe will be weighed and individually mated to the payload carrier before pyrotechnics are installed. The fully integrated THEMIS payload is then ready for spin-balance testing and weighing. The final milestone is mating THEMIS to its upper stage booster. THEMIS consists of five identical probes, the largest number of scientific satellites ever launched into orbit aboard a single rocket. This unique constellation of satellites will resolve the tantalizing mystery of what causes the spectacular sudden brightening of the aurora borealis and aurora australis - the fiery skies over the Earth's northern and southern polar regions. These lights are the visible manifestations of invisible energy releases, called geomagnetic substorms, in near-Earth space. THEMIS will not only seek to answer where and when substorms start, but will also provide clues as to how and why these space storms create havoc on satellites, terrestrial power grids, and communication systems. THEMIS will be transported to Pad 17-B at Cape Canaveral Air Force Station on February 1 for mating to the Delta II rocket. Launch is scheduled for Feb. 15. Photo credit: NASA/George Shelton KSC-06pd2815

KENNEDY SPACE CENTER, FLA. -- At Astrotech Space Operations in Titusvi...

KENNEDY SPACE CENTER, FLA. -- At Astrotech Space Operations in Titusville, Fla., technicians release the overhead crane from the shipping container placed around one of the five THEMIS probes for its move to th... More

KENNEDY SPACE CENTER, FLA. -- In the high bay at Astrotech Space Operations, workers prepare to join the upper cylindrical canister to the lower panels already in place around the THEMIS spacecraft and upper stage booster. When completely enclosed, THEMIS will be transported to Launch Complex 17-B for mating with its launch vehicle. THEMIS consists of five identical probes, the largest number of scientific satellites ever launched into orbit aboard a single rocket. This unique constellation of satellites will resolve the tantalizing mystery of what causes the spectacular sudden brightening of the aurora borealis and aurora australis - the fiery skies over the Earth's northern and southern polar regions. THEMIS is scheduled to launch Feb. 15 from Pad 17-B at Cape Canaveral Air Force Station aboard a Boeing Delta II rocket managed by the United Launch Alliance. Photo credit: NASA/Troy Cryder KSC-07pd0212

KENNEDY SPACE CENTER, FLA. -- In the high bay at Astrotech Space Ope...

KENNEDY SPACE CENTER, FLA. -- In the high bay at Astrotech Space Operations, workers prepare to join the upper cylindrical canister to the lower panels already in place around the THEMIS spacecraft and upper ... More

KENNEDY SPACE CENTER, FLA. -- Inside the mobile service tower on Launch Pad 17-B at Cape Canaveral Air Force Station, workers inside the mobile service tower on Launch Pad 17-B at Cape Canaveral Air Force Station complete installation of a protective screen above the THEMIS spacecraft to preserve a clean-room environment. THEMIS consists of five identical probes, the largest number of scientific satellites ever launched into orbit aboard a single rocket. The THEMIS mission is to investigate what causes auroras in the Earth's atmosphere to dramatically change from slowly shimmering waves of light to wildly shifting streaks of color. Discovering what causes auroras to change will provide scientists with important details on how the planet's magnetosphere works and the important Sun-Earth connection. THEMIS is scheduled to launch aboard a Delta II rocket on Feb. 15 during a window extending from 6:08 to 6:27 p.m. Photo credit: NASA/Amanda Diller KSC-07pd0258

KENNEDY SPACE CENTER, FLA. -- Inside the mobile service tower on Laun...

KENNEDY SPACE CENTER, FLA. -- Inside the mobile service tower on Launch Pad 17-B at Cape Canaveral Air Force Station, workers inside the mobile service tower on Launch Pad 17-B at Cape Canaveral Air Force Stat... More

KENNEDY SPACE CENTER, FLA. -- The Delta II rocket with the THEMIS spacecraft atop sits ready for launch on Pad 17-B at Cape Canaveral Air Force Station in this aerial view of the launch complex area as the mobile service tower begins to move away. THEMIS, an acronym for Time History of Events and Macroscale Interactions during Substorms, consists of five identical probes that will track violent, colorful eruptions near the North Pole. This will be the largest number of scientific satellites NASA has ever launched into orbit aboard a single rocket. The THEMIS mission aims to unravel the mystery behind auroral substorms, an avalanche of magnetic energy powered by the solar wind that intensifies the northern and southern lights. The mission will investigate what causes auroras in the Earth’s atmosphere to dramatically change from slowly shimmering waves of light to wildly shifting streaks of bright color. Launch is scheduled for 6:05 p.m. Photo credit: NASA/George Shelton KSC-07pd0415

KENNEDY SPACE CENTER, FLA. -- The Delta II rocket with the THEMIS spac...

KENNEDY SPACE CENTER, FLA. -- The Delta II rocket with the THEMIS spacecraft atop sits ready for launch on Pad 17-B at Cape Canaveral Air Force Station in this aerial view of the launch complex area as the mobi... More

KENNEDY SPACE CENTER, FLA. -- At Launch Pad 17-B at Cape Canaveral Air Force Station, the mobile service tower surrounds the Delta II rocket with the THEMIS spacecraft atop. THEMIS, an acronym for Time History of Events and Macroscale Interactions during Substorms, consists of five identical probes that will track violent, colorful eruptions near the North Pole. This will be the largest number of scientific satellites NASA has ever launched into orbit aboard a single rocket. The THEMIS mission aims to unravel the mystery behind auroral substorms, an avalanche of magnetic energy powered by the solar wind that intensifies the northern and southern lights. The mission will investigate what causes auroras in the Earth’s atmosphere to dramatically change from slowly shimmering waves of light to wildly shifting streaks of bright color. Launch is scheduled for 6:05 p.m. Photo credit: NASA/Kim Shiflett KSC-07pd0409

KENNEDY SPACE CENTER, FLA. -- At Launch Pad 17-B at Cape Canaveral Air...

KENNEDY SPACE CENTER, FLA. -- At Launch Pad 17-B at Cape Canaveral Air Force Station, the mobile service tower surrounds the Delta II rocket with the THEMIS spacecraft atop. THEMIS, an acronym for Time History ... More

KENNEDY SPACE CENTER, FLA. -- The Delta II rocket with the THEMIS spacecraft atop sits ready for launch on Pad 17-B at Cape Canaveral Air Force Station after the mobile service tower moves away from the pad. THEMIS, an acronym for Time History of Events and Macroscale Interactions during Substorms, consists of five identical probes that will track violent, colorful eruptions near the North Pole. This will be the largest number of scientific satellites NASA has ever launched into orbit aboard a single rocket. The THEMIS mission aims to unravel the mystery behind auroral substorms, an avalanche of magnetic energy powered by the solar wind that intensifies the northern and southern lights. The mission will investigate what causes auroras in the Earth’s atmosphere to dramatically change from slowly shimmering waves of light to wildly shifting streaks of bright color. Launch is scheduled for 6:05 p.m. Photo credit: NASA/Kim Shiflett KSC-07pd0413

KENNEDY SPACE CENTER, FLA. -- The Delta II rocket with the THEMIS spac...

KENNEDY SPACE CENTER, FLA. -- The Delta II rocket with the THEMIS spacecraft atop sits ready for launch on Pad 17-B at Cape Canaveral Air Force Station after the mobile service tower moves away from the pad. T... More

KENNEDY SPACE CENTER, FLA. -- In the Payload Hazardous Servicing Facility, the Phoenix spacecraft undergoes a heat shield deployment test, with a firing of ordnance associated with the separation device. Phoenix will land in icy soils near the north polar permanent ice cap of Mars and explore the history of the water in these soils and any associated rocks, while monitoring polar climate. Landing is planned in May 2008 on arctic ground where a mission currently in orbit, Mars Odyssey, has detected high concentrations of ice just beneath the top layer of soil. Launch of Phoenix aboard a Delta II rocket is targeted for Aug. 3 from Cape Canaveral Air Force Station in Florida. Photo credit: NASA/George Shelton KSC-07pd1222

KENNEDY SPACE CENTER, FLA. -- In the Payload Hazardous Servicing Fa...

KENNEDY SPACE CENTER, FLA. -- In the Payload Hazardous Servicing Facility, the Phoenix spacecraft undergoes a heat shield deployment test, with a firing of ordnance associated with the separation device. Ph... More

KENNEDY SPACE CENTER, FLA. -- In a clean room at Astrotech, workers prepare the Dawn spacecraft for installation of its solar array panels. Dawn's mission is to explore two of the asteroid belt's most intriguing and dissimilar occupants: asteroid Vesta and the dwarf planet Ceres. Dawn is scheduled to launch June 30 aboard a Delta II rocket from Launch Complex 17-B at Cape Canaveral Air Force Station. Photo credit: NASA/Jack Pfaller KSC-07pd1260

KENNEDY SPACE CENTER, FLA. -- In a clean room at Astrotech, workers pr...

KENNEDY SPACE CENTER, FLA. -- In a clean room at Astrotech, workers prepare the Dawn spacecraft for installation of its solar array panels. Dawn's mission is to explore two of the asteroid belt's most intrigui... More

KENNEDY SPACE CENTER, FLA. -- At Astrotech, workers get ready to test deploy the large solar array panels on one side of the Dawn spacecraft. Dawn's mission is to explore two of the asteroid belt's most intriguing and dissimilar occupants: asteroid Vesta and the dwarf planet Ceres. Dawn is scheduled to launch June 30 aboard a Delta II rocket from Launch Complex 17-B at Cape Canaveral Air Force Station. Photo credit: NASA/George Shelton KSC-07pd1264

KENNEDY SPACE CENTER, FLA. -- At Astrotech, workers get ready to test ...

KENNEDY SPACE CENTER, FLA. -- At Astrotech, workers get ready to test deploy the large solar array panels on one side of the Dawn spacecraft. Dawn's mission is to explore two of the asteroid belt's most intrig... More

KENNEDY SPACE CENTER, FLA. -- The Dawn spacecraft, inside its shipping container, is moved out of the Astrotech's Payload Processing Facility for transfer to the Hazardous Processing Facility for fueling. Dawn is scheduled to launch June 30 aboard a Delta II rocket from Launch Complex 17-B at Cape Canaveral Air Force Station. Dawn's mission is to explore two of the asteroid belt's most intriguing and dissimilar occupants: asteroid Vesta and the dwarf planet Ceres. Photo credit: NASA/Charisse Nahser KSC-07pd1302

KENNEDY SPACE CENTER, FLA. -- The Dawn spacecraft, inside its shipping...

KENNEDY SPACE CENTER, FLA. -- The Dawn spacecraft, inside its shipping container, is moved out of the Astrotech's Payload Processing Facility for transfer to the Hazardous Processing Facility for fueling. Dawn ... More

KENNEDY SPACE CENTER, FLA. -- The truck and transporter carrying the first stage of a Delta II rocket pull beneath the mobile service tower on Launch Pad 17-A at Cape Canaveral Air Force Station. The rocket is the launch vehicle for the Phoenix spacecraft, targeted for launch on Aug. 3,heading for Mars. Phoenix will land in icy soils near the north polar permanent ice cap of Mars and explore the history of the water in these soils and any associated rocks, while monitoring polar climate. Landing on Mars is planned in May 2008 on arctic ground where a mission currently in orbit, Mars Odyssey, has detected high concentrations of ice just beneath the top layer of soil. Photo credit: NASA/Amanda Diller KSC-07pd1550

KENNEDY SPACE CENTER, FLA. -- The truck and transporter carrying the...

KENNEDY SPACE CENTER, FLA. -- The truck and transporter carrying the first stage of a Delta II rocket pull beneath the mobile service tower on Launch Pad 17-A at Cape Canaveral Air Force Station. The rocket i... More

KENNEDY SPACE CENTER, FLA. -- In the mobile service tower on Launch Pad 17-B at Cape Canaveral Air Force Station, the Dawn spacecraft is ready for mating with the waiting Delta II rocket. Dawn is scheduled for launch in a window from 7:25 to 7:54 a.m. EDT Sept. 26 from CCAFS. During its nearly decade-long mission, the Dawn mission will study the asteroid Vesta and dwarf planet Ceres, celestial bodies believed to have accreted early in the history of the solar system. To carry out its scientific mission, the Dawn spacecraft will carry a visible camera, a visible and infrared mapping spectrometer, and a gamma ray and neutron spectrometer, whose data will be used in combination to characterize these bodies. In addition to the three instruments, radiometric and optical navigation data will provide data relating to the gravity field and thus bulk properties and internal structure of the two bodies. Data returned from the Dawn spacecraft could provide opportunities for significant breakthroughs in our knowledge of how the solar system formed. Photo credit: NASA/Jim Grossmann KSC-07pd2445

KENNEDY SPACE CENTER, FLA. -- In the mobile service tower on Launch P...

KENNEDY SPACE CENTER, FLA. -- In the mobile service tower on Launch Pad 17-B at Cape Canaveral Air Force Station, the Dawn spacecraft is ready for mating with the waiting Delta II rocket. Dawn is scheduled for... More

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