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17 Cards in this Set
- Front
- Back
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The inner planets are called ? |
Mercury ,Venus, Earth, Mars |
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A galaxy shaped like a football ? |
Elliptical |
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The Milky Way is a galaxy ? |
Spiral |
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Most asteroids are located between the orbits of ? |
Jupiter and Mars |
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Meteoroids come from ? |
Asteroids, comets |
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Which planet other than earth had a liquid on its surface ? |
Mars |
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What do the four outer planets have in common |
Gaseous, bigger, they also have rings |
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Which object has a long ,narrow, elliptical orbit? |
Comets |
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Which planets are small and have rocky surface? |
Inner planets |
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What force pulls together the matter in stars? |
Gravity |
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Why doesn't the atmosphere of the gas giant planets escape into space |
Strong gravitational force |
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Small piece of rock that enter earth's atmosphere and burn up? |
Meteor |
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The gravitational force between two objects depends on |
Mass, distance |
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A large group of stars,gas,and dust held together by gravity is? |
Galaxy |
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Pieces of rock that strike the surface of a moon or planet |
Meteorite |
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The inner planets with simple mass and size are |
Earth, Venus |
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Our solar system is made of comets ,asteroids, the sun and |
8 planets ,moons |
