Lacroix (Moon)

Named after Sylvestre Francois Lacroix - French mathematician (1765-1843).

Lacroix is a crater that is located in the southwest part , to the northwest of the large walled plain Schickard. The surviving rim is nearly circular, with a slightly worn inner wall. The interior floor is featureless. (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.