Astronomy Vocab

Front

Action of rotating around an axis or center.

Back

Rotation

Front

Motion of one body around another

Back

Revolution

Front

Path of an object in space moving around another due to gravity

Back

Orbit

Front

Light on the right & getting bigger

Back

Waxing

Front

Light on the left & shrinking

Back

Waning

Front

A small sliver of light

Back

Crescent

Front

Over half the moon is lit

Back

Gibbous

Front

Moon fully illuminated, Earth between Moon & Sun

Back

Full Moon

Front

The moon is dark and between the Earth & Sun.

Back

New Moon

Front

Force of attraction due to mass & distance

Back

Gravity