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TERMS OF USE:
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Free Picture: Montage of Neptune and Triton
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Description
Image of Neptune and Triton. This computer generated montage shows Neptune as it would appear from a spacecraft approaching Triton, Neptune's largest moon at 2706 km (1683 mi) in diameter. The wind and sublimation eroded south polar cap of Triton is shown at the bottom of the Triton image, a cryovolcanic terrain at the upper right, and the enigmatic "cantaloupe terrain" at the upper left. Triton's surface is mostly covered by nitrogen frost mixed with traces of condensed methane, carbon dioxide, and carbon monoxide. The tenuous atmosphere of Triton, though only about one hundredth of one percent of Earth's atmospheric density at the surface, is thick enough to produce wind-deposited streaks of dark and bright materials of unknown composition in the south polar cap region. The southern polar cap was sublimating at the time of the Voyager 2 flyby, as indicated by the irregular and eroded appearance of the edge of the cap.
Keywords
astronomy, cantaloupe terrain, cryovolcanic terrain, earth, jet propulsion laboratory, jpl, nasa, neptune and triton, neptunes moons, planet, planet neptune, planets, triton, voyager, voyager-galileo, neptune, free photography, free photo, free photos, free picture, free pictures, free image, free images
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