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16 Cards in this Set
- Front
- Back
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describe the heliocentric model of the solar system. |
earth and other planets revolve around the sun |
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less mass= |
less gravity |
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what are some features a asteroid might have |
it is not round and it orbits the sun |
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describe a planet |
its round and it has cleared its neighborhood, and it orbits the sun |
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describe a dwarf planet |
has not cleared its neighborhood,is not a satalite, it is not round |
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inner planets are.... |
earth, Venus, Mars, Mercury |
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a group of objects orbiting between Mars and Jupiter? |
Asteroid Belt |
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a meteoroid that has reached earth's atmosphere?
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meteor |
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core |
NUCLEAR FUSION HAPPENS HERE |
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CHROMOSPHERE |
Midde layer of suns atmosphere |
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solar flares |
eruptions. gas that erupts to space |
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photosphere |
inner layer of sun's atmosphere |
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corona |
outer layer looks like a halo around the sun |
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the geocentric model was |
earth centered and circular orbits |
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heliocentric mode was |
later sun centered and elliptical orbits |
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the strengh of the force of gravity between two objects depend on 2 factors : the mass and distance between them |
Universal law of gravitation |
