Borel (Moon)

Named after Félix Édouard Émile Borel - French mathematician (1871-1956).

Borel is a tiny lunar impact crater located in the southeast part of Mare Serenitatis. To the northeast is the crater Le Monnier. (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.