Nicolas Copernicus (1473-1543)
- 1543 De Revolutionibus Orbium Caelestium (On the Revolution of the Heavenly Orbs)
- University of Padua
Tycho Brahe (1546-1601)
- 1572-73 Crab Nebula
- 1577 new comet
Johannes Kepler (1571-1630)
- Three Laws of Planetary Motion
- One of the laws: An…
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