Related terms:
tycho
kepler
heavens
ellipse
orbit
spheres
stellar
copernican
tycho brahe
newtonian
parabolic
ptolemaic
planetary
celestial
heliocentric
johannes kepler
astronomy
planetary model
isaac newton
orbiting the sun
geocentric model
elliptical orbit
rudolphine tables
heliocentric model
observations
astronomical
history of astronomy
astronomical observations
law of universal gravitation
Wikipedia sources:
Orbit
Johannes Kepler
Tycho Brahe
Binary star
Scientific revolution
History of astronomy
Context for words:
laws
of
planetary
motion
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