GravitySim — Participate in Scientific Discovery
FREE  •  OPEN-SOURCE  •  CROSS-PLATFORM  Java  Desktop application & Internet-based Java applet
“All truths are easy to understand once they are discovered; the point is to discover them.” – Galileo Galilei
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Check your Java installation!  (May take up to 30 s.)
Standard Version (most laptops)
Launch Applet Download Application
HD Version (Apple Retina & 17" Pro)
Launch Applet Download Application
Standard (HD) User Interface

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About GravitySim