The General Catalog of 1937. Advances in positional astronomy. Nicolaus Copernicus devised the first comprehensive heliocentric model. Copernicus’s heliocentric (Sun-centered) theory simplified the general explanation of planetary motions
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Advances in positional astronomy
Using data collected by Tycho Brahe from 1576 to 1597, Kepler deduced three laws of planetary motion:
General Catalogue of 33342 stars (GC) (Boss 1937)