Mark Twain is a crater on Mercury.[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 | |
| Feature type | Peak-ring impact basin |
|---|---|
| Location | Beethoven quadrangle, Mercury |
| Coordinates | 10°55′S 138°17′W / 10.91°S 138.28°W |
| Diameter | 142 km (88 mi) |
| Eponym | Mark Twain |
Mark Twain is one of 110 peak ring basins on Mercury.[3]
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Mariner 10 image, with Mark Twain at right -
Interior of Mark Twain crater, showing hollows along the peak ring and outer rim
References
edit- ^ Moore, Patrick (2000). The Data Book of Astronomy. Institute of Physics Publishing. ISBN 0-7503-0620-3.
- ^ "Mark Twain". Gazetteer of Planetary Nomenclature. IAU/NASA/USGS. Retrieved 31 August 2022.
- ^ Chapman, C. R., Baker, D. M. H., Barnouin, O. S., Fassett, C. I., Marchie, S., Merline, W. J., Ostrach, L. R., Prockter, L. M., and Strom, R. G., 2018. Impact Cratering of Mercury. In Mercury: The View After MESSENGER edited by Sean C. Solomon, Larry R. Nittler, and Brian J. Anderson. Cambridge Planetary Science. Chapter 9.
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