2 years ago

Why do astronomers from geocentric model to the heliocentric model?

1 answer:

5 0

Ptolemy develops a geocentric model that has the planets moving around the Earth. However, in order to account for retrograde motion, he put the planets on circles that move in circles. * Copernicus suggests a heliocentric model. His model has the planets moving around the Sun in circular orbits.

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