Tikhov (Moon)

Named after Gavriil Adrianovich Tikhov - Soviet astronomer (1875-1960).

Tikhov Crater is an impact crater in the Hellas quadrangle on Mars at 51.1°S and 254.3°W and is 111.0 km in diameter. (wikipedia entry)

A crater is a circular depression likely created by an impact event. On the Moon they are named after deceased scientists, polar explorers, astronauts or cosmonauts.