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14 Cards in this Set
- Front
- Back
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Universe |
Everything that exists in space |
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Galaxy |
A huge group of stars |
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Solar system |
Contains all objects and planets that revolve around the sun |
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Orbit |
Each planet moves in a path around the sun...a planets path is its orbit |
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Gravity |
A pulling force between two objects |
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Rotate |
All planets rotate or spin as they go around the sun |
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Axis |
An imaginary line through the center of each planet |
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Earth takes 365 days to complete it's orbit |
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Earth rotates on its axis once every 24 hrs |
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Moons are also part of the solar system...the moon revolves around Earth about once a month |
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Asteroid |
A rocky object that moves around the sun |
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Comet |
A ball of ice,rock,frozen gases,and dust |
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Comets form a long tail of gases and dust as they move towards the sun...the tail can be millions of miles long. |
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My Very Eagar Mother Just Served Us Nine Pizzas |
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