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6 Cards in this Set
- Front
- Back
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What was the Geocentric theory?
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earth is the center of solar system
Includes - earth, moon, sun, 5 planets (Mercury, Venus, Mars, Jupiter and Saturn), and sphere of stars All revolve around the earth |
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What is the Heliocentric theory? Who invented this theory?
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Copernicus in 1543
sun is the center of the solar system moon revolves around the earth, earth around the sun daily movement of sun and stars caused by rotation of the earth |
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How many planets are there? What are the names and the order they are in from closest to the sun to farthest?
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Nine Planets
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto |
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What inner planets what are outer?
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Divided into Inner, Rocky Planets and Outer, Gas Planets
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What are the inner planets? Are they closer or farther from the sun?
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Mercury, Venus, Earth, and Mars
Close to the sun |
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What are the outer planets?
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Jupiter, Saturn, Uranus, Neptune and Pluto
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