1) Impact crater on Mars
Found on
https://www.crosswordclues.com/clue/tikhov
[lunar crater] This feature has been battered by subsequent impacts, leaving a series of smaller craters along the rim, inner wall, and floor of the crater. The most recent of these impacts are several small, cup-shaped craters along the eastern rim and inner wall and floor. As a result of this wear, the outer rim is rounded and uneven, alt...
Found on
http://en.wikipedia.org/wiki/Tikhov_(lunar_crater)
No exact match found.
