ASTRONOMY Heliocentric vs. Geocentric

Feb 3rd, 2012
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Central Michigan University
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For each of the following, decide whether the phenomenon is consistent or inconsistent with a belief in an Earth-centered system. If consistent, describe how. If inconsistent, explain why, and also explain why the inconsistency did not immediately lead people to abandon the Earth-centered model.

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A). Daily paths of stars through the sky ANSConsistent The Greeks had a belief that all stars lie "on the same celestial sphere". They explain their theory of stellar parallax was if Earth orbited the Sun at various times a year the Earth would become closer to parts of the celestial sphere. This would allow for use to see the various angular changes and separation of stars. However, the Greeks were unable to scientifically prove this. So they concluded that due to the distance of the stars and sun, the Stellar Parallax cannot be seen with the naked eye. The stars appear daily due to Earth

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