Polish priest and astronomer; published "On the Revolutions of the Heavenly Spheres"
Nicolaus Copernicus was first to propose this theory
Heliocentric Theory (sun-centered universe) was first proposed by him
First to propose elliptical orbits; published "The New Astronomy"
Johannes Kepler did this.
Published "Starry Messenger" and "Letters on Sunspots"
Galileo Galilei published these
Published "The Mathematical Principles of Natural Philosophy"
Isaac Newton published this
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