Geography, 29.01.2021 21:10 Quaneshiaa
2. Which two cosmologists hypothesized why the planets sometimes appear to move
backward in the sky?
a. Aristotle and Copernicus
b. Copernicus and Ptolemy
c. Ptolemy and Hawking
d. Hawking and Kepler
Answers: 2
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2. Which two cosmologists hypothesized why the planets sometimes appear to move
backward in the sky...
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