Mark Twain (crater)
Crater on Mercury
From Wikipedia, the free encyclopedia
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]
Feature typePeak-ring impact basin
LocationBeethoven quadrangle, Mercury
Coordinates10.91°S 138.28°W
Diameter142 km (88 mi)
MESSENGER WAC image, with Mark Twain at center | |
| Feature type | Peak-ring impact basin |
|---|---|
| Location | Beethoven quadrangle, Mercury |
| Coordinates | 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]
- Mariner 10 image, with Mark Twain at right
- Interior of Mark Twain crater, showing hollows along the peak ring and outer rim