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Vocabulary

QuestionAnswer
nebular theory solar system began as a huge cloud of dust and gas called a nebula
solar system includes the sun, its planets and other objects that revolved around the sun
protosun new sun
protoplanets new planets
orbit path an object takes when moving around another object in space
period of revolution time it takes a plaent to revolve around the sun
period of rotation time it takes a planet to make one rotation on its axis
Created by: bmanchip
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