Difference between revisions of "Kepler's 1st law"
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*[https://en.wikipedia.org/wiki/Kepler%27s_laws_of_planetary_motion#First_law_of_Kepler Kepler's 1st law] | *[https://en.wikipedia.org/wiki/Kepler%27s_laws_of_planetary_motion#First_law_of_Kepler Kepler's 1st law] | ||
== Discussion: == | == Discussion: == | ||
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Revision as of 18:41, 7 October 2020
Johannes Kepler (b. 1571)
Kepler's laws of planetary motion 1609-1619
The orbit of every planet is an ellipse with the Sun at one of the two foci.