January 20, 2009 Science Source
EN_00304854_0207
![January 20, 2009 Science Source](img/medium/arch0/dvd0471/25/EN_00304854_0207.jpg)
Johann Kepler (1571-1630), German astronomer. Kepler formulated the three fundamental laws of planetary motion based on the detailed observations of the planets made by Tycho Brahe. The first of these laws concerned the orbits of planets, which Kepler showed to be elliptical and not circular as previous held. Colorized version of 9A8154.
2010-01-05
EAST NEWS
Science Source
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