The Moon Study Vocab 1-c

Front

Orbital radius

Back

Average distance between a spatial body and the body it orbits.

Front

Regolith

Back

Pulverized surface material on the Moon; also known as lunar soil.

Front

Orbit: the path a body follows around another in space

Back

the path a body follows around another in space

Front

mare

Back

the dark surface of cooled magma in a flooded crater

Front

ejecta

Back

material displaced when a crater forms

Front

Moon rays

Back

the white lines extending from some craters

Front

lunar

Back

anything related to the Moon

Front

Impact

Back

The crash between one object upon another.

Front

Flooded crater

Back

A large indentation in the land filled with magma from beneath the surface.

Front

Highlands

Back

Light-colored areas of the Moon with rough mountains and craters.