This web page demonstrates Kepler's Laws through a Flash simulation. The user places an object at some distance from the Sun and gives it an initial velocity to orbit the sun. Once the simulation begins, it shows the distance between the planet and the Sun, the days that have gone by, and the orbiting speed. An option is also available to show the areas swept out by the object in equal times. Both elliptical and parabolic trajectories are possible.
%0 Electronic Source %A Fowler, Michael %A Welch, Heather %D June 25, 2007 %T Planetary Motion %V 2015 %N 27 April 2015 %8 June 25, 2007 %9 application/flash %U http://galileoandeinstein.physics.virginia.edu/more_stuff/flashlets/kepler6.htm
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