Answer:
Hello
Ptolemy was the first person in proposal a geocentric model of Universe.
Copernicus was the first person in proposal a heliocentric model of Universe.
Kepler´s first law: the orbit of a planet is an ellipse with the Sun at one of the two focuses.
Kepler´s second law: a line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time.
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