ckianf ckianf
  • 19-04-2019
  • Biology
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PLZ SOMEBODY I NEED HELPPPPPP FASTTTTTT

PLZ SOMEBODY I NEED HELPPPPPP FASTTTTTT class=

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samuelrengifo
samuelrengifo samuelrengifo
  • 19-04-2019

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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