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- Triton, however, is a geologically young body. Most of the approximately 40% of the satellite's surface that was imaged by Voyager at sufficient resolution tells us that it is sparsely cratered. No heavily cratered terrains survive from early solar system times, an absence that may reflect an epoch of severe tidal heating.
www.sciencedirect.com/science/article/pii/B9780124158450000402
Unusually, Triton experiences an extreme dichotomy in crater distribution: almost all of Triton's craters are on its leading hemisphere. The cause of such asymmetry is unclear, but may come from geological activity, the source impactor population, or both.
Geological map of Triton, with some major surface features labelled in the upper map This is a list of named geological features on Triton . Catenae (crater chains)
CavusNamed AfterApep (Egyptian)Bheki (Indian)Dagon (Babylonian)Heget (Egyptian)Its surface is covered by frozen nitrogen and is geologically young, with very few impact craters. Young, intricate cryovolcanic and tectonic terrains suggest a complex geological history. The atmosphere of Triton is composed primarily of nitrogen, with minor components of methane and carbon monoxide.
Aug 6, 2020 · Even though only 40% of Triton’s surface was imaged during Voyager 2’s flyby, it was immediately apparent that Triton is home to a variety of geological processes. Furthermore, the relatively fresh morphologies, low density of impact craters, and the observation of plumes, indicated that Triton is a geologically active small body.
Jan 1, 1993 · Recent impact crater counts on the Voyager 2 high resolution images of Triton have resulted in a more accurate crater size/frequency distribution down to about 3 km diameter. These counts reveal a size/frequency distribution characterized by a differential -4 slope.
Jan 1, 2014 · The largest crater on Triton, the 25-km-diameter, central-peaked Mozamba (M), is to the left of the largest prominent macula, Zin (Z). Courtesy of NASA/Paul Schenk, Lunar and Planetary Institute. Among Triton's most perplexing geological features are the large zoned maculae (spots) close to the eastern limb are shown in Figure 40.10 .
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Oct 19, 1990 · Triton may have a leading-trailing asymmetry in its crater population. Based primarily on the similarity of size distributions on Triton and Miranda and the relatively young surface on Triton, the source of Triton's craters is probably comets.
