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The study is the moon, stars, and other objects in space

2 ways earth move through space

Rotation and revolution


The imaginary line that passes through Earth's center and the north and south poles


The spinning of earth in its Axis


The movement of one object around another


the path that earth follows

Earth has seasons because

its axis is tilted as it revolves around the sun


When the sun reaches its greatest distance north or south of the Equator


Niether hemisphere is tilted toward or away from the sun. (Equal day,equal night)


A push or pull


attracts all objects toward each other

law of universal gravitation

states that every object in the universe attracts every other object


the amount of matter in an object


the force of gravity against an object

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