Q1W6 Vocab Flashcard (Earth & Sun Inv. 2)

Front

Study of the universe and its objects

Back

astronomy

Front

(n.) a group of stars in a pattern named by people

Back

constellation

Front

Third planet from the Sun, known as the water planet.

Back

Earth

Front

Phase of the Moon halfway between new and full Moon.

Back

first-quarter Moon

Front

Phase of the Moon when the entire sunlit side is visible from Earth.

Back

full Moon

Front

Phase of the Moon when the sunlit side is not visible from Earth.

Back

new Moon

Front

Phase of the Moon halfway between full and new:

Back

third-quarter Moon

Front

Shape of the Moon more than a quarter but less than full.

Back

gibbous Moon

Front

4-week period of Moon's orbit around Earth, visible in all phases

Back

lunar cycle

Front

Earth's natural satellite

Back

Moon