Timaeus (Moon)

Named after Timaeus - Greek astronomer (unkn-c. 400 B.C.).

Timaeus is a lunar crater in the northern part , on the north edge of Mare Frigoris. It forms part of the southwestern wall of the large and irregular walled plain W. Bond. The rim is somewhat pentagonal in shape, with rounded corners. There is a central rise in the midpoint of the crater floor. (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.