Horrocks (Moon)

Named after Jeremiah Horrocks - British astronomer (1619-1641).

Horrocks is a lunar impact crater located entirely within the eroded northeast rim of the much larger walled plain Hipparchus. Gyldén and Saunder lie to the west and east, respectively. The rim is somewhat irregular and polygonal, particularly with an outward protrusion on the eastern rim. (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.