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Ptolemy
Aristotle came first, followed by Ptolemy, then Copernicus and Galileo. Other important players in the story after them were Tycho Brahe, Johannes Kepler and Isaac Newton.
Galileo explained the backwatds motion of the planets
No, it was Copernicus who developed that view. Galileo agreed with it, however.
Luther, Pythagoras, Socrates, Jesus, Galileo, Copernicus, Newton, Poe, Shakespeare, Freud, Ghandi, Einstein, and J.D. Salinger.........to name a few.
Ptolemy
Aristotle came first, followed by Ptolemy, then Copernicus and Galileo. Other important players in the story after them were Tycho Brahe, Johannes Kepler and Isaac Newton.
Aristotle said the earth was in the center. Ptolemy supported Aristotle and added to it. Copernicus said the sun was in the middle. Galileo also said the sun was in the center and added to Copernicus.
Nicholas Copernicus and Galileo
Claudius Ptolemy wrote the first book of astronomy
Everybody from Ptolemy up to about 1690, with a few exceptions like Copernicus and Galileo and Kepler.
copernicus
Nicolaus Copernicus disagreed with his theory, Copernicus belived that Ptolemy's view was to complicated.
When comparing the cosmology of Copernicus with Ptolemy, Copernicus had provided a far explanation for all the celestial motions.
Galileo was born 19 years after Copernicus died.
Galileo and Copernicus were two of the scientists to disprove Ptolemy's geocentric theory of the universe. The Ptolemaic theory stated that the center was earth.
the studies of Copernicus and Galileo changed that view by having sex