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Question: aristarchus of samos is known for a number of things...

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Aristarchus of Samos is known for a number of things. One of them was O A the idea that an explanation or model should save the appearances: OB his measurement of the size of the Earth. O Camodel of the Solar System in which the Earth is fixed and everything rotates around the Earth. O D amodel in which the Earth rotates on its axis and revolves around the Sun. OE the discovery that planets move on elliptic l orbits around the Sun.
The ancient Greeks argued that the Earth cannot be moving because such a motion would cause apparent shifts in the positions of stars. This argument was wrong because O A no such shifts are actually possible. O B allof the stars are at the same distance from the Earth. C the stars are so far away that the shifts due to the Earths motion are extremely small. O D each star is moving in a circle exactly in step with the Earths motion around the Sun
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