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Ksivusya [100]
3 years ago
8

Can any find this sheet? so i can have answers

Biology
1 answer:
zubka84 [21]3 years ago
3 0
It was Ptolemy who proposed that the center of the galaxy or even the universe is the Earth.
Copernicus contested the idea that the Earth is the center of the galaxy.
Planets revolve around the Sun in an elliptical path and not in a circular path. When the planets are near the Sun, their speed is faster.
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