1.
also referred to as spinning
2.
one object orbiting another
3.
the amount of degrees Earth revolves around the sun in 1 day
4.
model of a solar system with the sun at the center
5.
model where the sun revolves around the Earth
6.
a rocky object that revolves around a planet
7.
term to describe the amount of Earth's revolution completed after 183 days
8.
the direction of Earth's rotation and revolution
