Named after John Phillips - British geologist, astronomer (1800-1874).
In this area one can often see polygons. Polygons are common where wet ground freezes and thaws. The polygons here are especially visible because there is snow in the cracks between the polygons. (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.