article: History of astronomy
links: Andromeda galaxy Babylonia Christiaan Huygens Earth Ptolemy Edmund Halley Moon Pythagoreans Laplace Virgo Supercluster Strabo Uranus Archimedes Isaac Newton Space (physics) Albert Einstein William Herschel Babylon Local Group Aristarchus of Samos Edwin Hubble Philolaus Sun Plutarch Western world Milky Way Nicholas of Cusa Empiricism Ancient Greece Alexandria Zodiac Copernicus Giordano Bruno Planets Tycho Brahe Solar System Kant