Nicholson (Martian crater)
 Crater Nicholson based on THEMIS day-time image | |
| Planet | Mars |
|---|---|
| Coordinates | 0°12′N 164°36′W / 0.2°N 164.6°WCoordinates: 0°12′N 164°36′W / 0.2°N 164.6°W |
| Diameter | 102.5 km |
| Eponym | Seth Barnes Nicholson |
Nicholson is a crater on Mars centered at 0.1° N and 164.5° W. It is 62 miles (100 km) wide, and located in the Memnonia quadrangle. Nicholson is a good marker for the equator as it sits almost directly on the martian equator. It is named after Seth Barnes Nicholson, an American astronomer.
Nicholson is notable for its central peak, which rises in a high mound 3.5 km above the crater floor. This rounded peak is riddled with channels, which may have been eroded by wind or even water.
Topographic map of crater Nicholson
Western side of Nicholson crater showing part of central mound, as seen by CTX camera (on Mars Reconnaissance Orbiter).
Nicholson Crater Mound with dark streaks, as seen by HiRISE.
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