Flammarion (Moon)

Named after Camille Flammarion - French astronomer (1842-1925).

Flammarion is an impact crater in the Syrtis Major quadrangle on Mars at 22.4 ° N and 173.0 ° W. and is 173.0 km in diameter. Many places on Mars show rocks arranged in layers. Rock can form layers in a variety of ways. (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.