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TermDefinition
Rotation An object spinning on it axis
Revolution An object orbiting around an object
How much is Earth's axis tilted 23.5 degrees
Geocentric An Earth centerd Solar system
Heliocentric A sun centerd solar system
Copernicus The astronomer who came up with the heliocentric idea
Ptolemy Believed in the Geocentric Solar system
Newton Came up with gravity and inertia
The planets in order Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Asteriod belt Pieces of rocks between Mars and Jupiter
Comet Piece of ice that takes an ireguler orbit around the Sun.
Created by: jacs1754