anorthosite

lunar highlands

capture theory (of Moon’s formation)

mare (plural maria)

center of mass

mare basalt

co-creation theory (of Moon’s formation)

moonquake

collisional ejection theory (of Moon’s formation)

regolith

crater

synchronous rotation

far side (of the Moon)

terminator

fission theory (of Moon’s formation)

terrae

impact breccia

transient lunar phenomena

impact crater

volatile element

libration