Montevallo (Martian crater)
|
Montevallo Crater, as seen by THEMIS. Image shows a landslide on the north rim. | |
| Planet | Mars |
|---|---|
| Coordinates | 15°24′N 54°24′W / 15.4°N 54.4°WCoordinates: 15°24′N 54°24′W / 15.4°N 54.4°W |
| Diameter | 51.9 km |
| Eponym | Montevallo, Alabama, USA |
Montevallo is a crater on Mars, located in the Lunae Palus quadrangle at 15.4° N and 54.4° W. It measures 51.9 kilometers in diameter and was named after the town Montevallo in Alabama, United States. The name was approved by IAU's Working Group for Planetary System Nomenclature in 1988.[1]
Impact craters generally have a rim with ejecta around them, in contrast volcanic craters usually do not have a rim or ejecta deposits. As craters get larger (greater than 10 km in diameter) they usually have a central peak.[2] The peak is caused by a rebound of the crater floor following the impact.[3]
Montevallo Crater, as seen by CTX camera (on Mars Reconnaissance Orbiter).
See also
References
- ↑ "Gazetteer of Planetary Nomenclature – Montevallo". usgs.gov. International Astronomical Union. Retrieved 9 August 2017.
- ↑ http://www.lpi.usra.edu/publications/slidesets/stones/
- ↑ Hugh H. Kieffer (1992). Mars. University of Arizona Press. ISBN 978-0-8165-1257-7. Retrieved 7 March 2011.
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