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pcmsastronomy

TermDefinition
Orbit the path of an object in space as it moves around another object due to gravity
solar system the sun, the planets, and various other objects
galaxy millions or billions of starts held together in a group by their own gravity
universe space and all the matter and energy in it
satellite an object that orbits a more massive object
space station a satellite in which people can live and work for long periods of time
probe a space craft that is sent into a planet's atmosphere
gravity the force that objects exert on each other because of their mass
Inertia The resistance of any physical object to any change in it's stat of motion
Created by: neilebennett
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