Space is a really big, like I mean like REALLY big! Here's what i know so far.
lets start with where we live, the earth. The earth spins or rotates around the sun. When the earth rotates it causes day and night. As the earth rotates it also revolves. The revolution around the sun causes the seasons. So the rotation cause day and night the revolution cause the seasons. You with me so far. Anyway lets move on to the moon. The moon moves around the earth. The moon moves which cause moon phases. There are crescent, gibbous, waxing, and waning. There is also full and new moon.
Rotation
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Revolution
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Gravity
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Moon Phases
waning creasents