He discovered that the orbits of planets are ellipses.
A)Tycho Brahe
B)Copernicus
C)Kepler
D)Galileo
E)Ptolemy

Question

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Johannes Kepler discovered that the orbits of planets are ellipses through his extensive work on the observations of Tycho Brahe. Copernicus proposed the heliocentric model of the Solar System, Galileo observed celestial objects and discovered the moons of Jupiter, and Ptolemy developed the geocentric model of the Solar System.

He Discovered That the Orbits of Planets Are Ellipses