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Range :  190,000 km ( 118,000 mi.) This false color image of Triton is a composite of images taken through the violet, green and ultraviolet filters.  The smallest visible features are about 4 km (2.5 mi.) across.  The image shows a geologic boundary between completely dark materials and patchy light/dark materials.  A layer of pinkish material stretches across the center of the image.  The pinkish layer must be thin because underlying albedo patterns show through.  Several features appear to be affected by the thin atmosphere; the elongated dark streaks may represent particulate materials blown in the same direction by previaling winds, and the white material may be frost deposits.  Other features appear to be volcanic deposits including the smooth, dark materials alongside the long, narrow canyons.  The streaks themselves appear to originate from very small circular sources, some of which are white, like the source of the prominent streak near the center of the image.  The sources may be small volcanic vents with fumarolic-like activity.  The colors may be due to irradiated methane, which is pink to red, and nitrogen, which is white. ARC-1989-AC89-7053

Range : 190,000 km ( 118,000 mi.) This false color image of Triton is a composite of images taken through the violet, green and ultraviolet filters. The smallest visible features are about 4 km (2.5 mi.) across. The image shows a geologic boundary between completely dark materials and patchy light/dark materials. A layer of pinkish material stretches across the center of the image. The pinkish layer must be thin because underlying albedo patterns show through. Several features appear to be affected by the thin atmosphere; the elongated dark streaks may represent particulate materials blown in the same direction by previaling winds, and the white material may be frost deposits. Other features appear to be volcanic deposits including the smooth, dark materials alongside the long, narrow canyons. The streaks themselves appear to originate from very small circular sources, some of which are white, like the source of the prominent streak near the center of the image. The sources may be small volcanic vents with fumarolic-like activity. The colors may be due to irradiated methane, which is pink to red, and nitrogen, which is white. ARC-1989-AC89-7053

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Summary

Range : 190,000 km ( 118,000 mi.) This false color image of Triton is a composite of images taken through the violet, green and ultraviolet filters. The smallest visible features are about 4 km (2.5 mi.) across. The image shows a geologic boundary between completely dark materials and patchy light/dark materials. A layer of pinkish material stretches across the center of the image. The pinkish layer must be thin because underlying albedo patterns show through. Several features appear to be affected by the thin atmosphere; the elongated dark streaks may represent particulate materials blown in the same direction by previaling winds, and the white material may be frost deposits. Other features appear to be volcanic deposits including the smooth, dark materials alongside the long, narrow canyons. The streaks themselves appear to originate from very small circular sources, some of which are white, like the source of the prominent streak near the center of the image. The sources may be small volcanic vents with fumarolic-like activity. The colors may be due to irradiated methane, which is pink to red, and nitrogen, which is white.

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Date

25/08/1989
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Source

NASA
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Copyright info

Public Domain Dedication (CC0)

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