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Home Q & A Board Science-Related Homework Help Physics
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staedtler staedtler
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7 years ago
In the geocentric model for the solar system developed by Ptolemy, to what does the word “epicycle” refer?
A)   A small circle about which a planet moves while the center of this circle moves around the Earth
B)   The large circle (orbit) that carries the planet around the Earth while the planet itself is moving in a smaller circle
C)   One complete cycle of planetary motions after which the motions repeat themselves (almost) exactly
D)   The length of time from when the planet is farthest from the Earth to the next time it is farthest from the Earth
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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discovererdiscoverer
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staedtler Author
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7 years ago
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