Moltke (Moon)

Named after Helmuth Karl, Graf von Moltke - German benefactor (1800-1891).

Moltke is a lunar impact crater located near the southern edge of the Mare Tranquillitatis. This is a small, bowl-shaped crater surrounded by a bright halo of higher-albedo material. Just to the south lies the rille system named Rimae Hypatia. These follow a course running roughly east-southeast to west-northwest, and have a length of approximately 180 kilometers. (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.