Mark Twain (crater)
Mark Twain is a crater on Mercury. It has a diameter of 149 kilometers.[1] Its name was adopted by the International Astronomical Union (IAU) in 1976. Mark Twain is named for the American author Mark Twain, who lived from 1835 to 1910.[2]
 MESSENGER WAC image, with Mark Twain at center | |
| Planet | Mercury |
|---|---|
| Coordinates | 11.2°S 137.9°W |
| Quadrangle | Beethoven |
| Diameter | 149 km |
| Eponym | Mark Twain |
Mariner 10 image, with Mark Twain at right
Interior of Mark Twain crater
Mark Twain is one of many Peak-ring basins on Mercury.
References
- Moore, Patrick (2000). The Data Book of Astronomy. Institute of Physics Publishing. ISBN 0-7503-0620-3.
- "Mark Twain". Gazetteer of Planetary Nomenclature. NASA. Retrieved 4 July 2012.
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