This is a set of 7 illustrated web pages discussing Kepler's laws. Included are equations and properties of conic sections, the scale of the solar system, the energy equation for Keplerian motion, Newton's "Universal Gravitation" and derivation of the 3rd law for circular orbits. It is part of the collection "From Stargazers to Starships", with French, Italian and Spanish translations. Four sections have lesson plans (click top right), also provided is the text of a 1-hour talk to teachers on presenting Kepler's laws, with worked examples. No calculus is used.
%0 Electronic Source %A Stern, David %D September 18, 2004 %T Kepler and His Laws %V 2017 %N 26 February 2017 %8 September 18, 2004 %9 text/html %U http://www.phy6.org/stargaze/Skeplaws.htm
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