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Related terms:
tycho
sun
kepler
moon
venus
deferent
spheres
sphere
ptolemy
planets
ecliptic
apparent
parallax
motion
ptolemaic
geocentric
earth
celestial
planetary
astronomy
gravitation
heliocentric
observations
history of astronomy
Wikipedia sources: Almagest Inertial frame of reference Solar time Tycho Brahe Geocentric model Context for words: fixed stars |
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