Johannes Kepler was the assistant of Tycho Brahe. Obviously after Brahe's death Kepler assumed the position of imperial mathematician t Emperor Rudolph the second. He also, was able to assume ownership of Brahe's (20 year) research. Unlike many Kepler had a profound interest in Hermetic mathematical magic. He believed that the universe was based upon geometric figures. After gaining Brahe's research Kepler arrived at three laws of planetary motion. The importance of these laws is that it further confirmed Copernicus' heliocentric theory.
LAWS
1. The planets orbits around the sun were elliptical (not circular how Copernicus had postulated)
2.The speed of a planet is greater when it is closer to the sun (this undermined the Aristotelian idea that the motion of all the planets were steady and unchanging).
3. The smaller the orbit the faster the revolution
After the motion of the universe was solved by Tycho Brahe a new question was posed :
How does one explain motion?
learn more from Galileo>>>>>>
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