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9 Cards in this Set
- Front
- Back
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any of the nine large heavenly bodies that orbit the sun
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planets
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an ancient Greek astronomer who believed in an earth-centered universe
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Ptolemy Cladius
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the errojeous view that all heavenly bodies-stars,planets,sun,and moon- revolve around a stationary earth
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Earth-centered universe
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a Polish astronomer who believed in a sun-centered universe
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Copernicus Nicolaus
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to revolve around
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orbit
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the view tat all planets orbit the sun
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sun-centered universe
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a German astronomer who discovered that planets travel in elliptical orbits;formulated three laws of planetary motion
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Kepler Johannes
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a symmetrically shaped oval
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ellipse
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two special points inside an ellipse
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foci
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