Here's a simulation of a collection of (randomly initialized) moons,
acting under the universal law of gravitation, with mass
proportional to radius cubed.
Press 'R' to restart the simulation, and use 'h', 'j', 'k', and 'l' to shift
the viewing area.
Look at them go!
See also the source code, and
my spacetag game, and
my other applets.
[contact me /
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