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Universe Sandbox ² (universesandbox.com) 2 points by vimalvnair on Nov 27, 2017 | past Universe Sandbox (universesandbox.com) 180 points by hoag on Jan 24, 2016 | past | 41 comments Universe Sandbox: Interactive Gravity/Spacetime Simulation App (universesandbox.com) 1 point by JumpCrisscross on Sept 10, 2012 | past Universe Sandbox: Interactive Astronomy Software (universesandbox.com) 2 points by sisyphism on Aug 1, 2012 | past Universe Sandbox (universesandbox.com) 2 points by wmat on Aug 4, 2011 | past Play With The Universe (universesandbox.com) 3 points by thirsteh on May 10, 2011 | past Universe Sandbox: An interactive space/gravity simulator (universesandbox.com) 2 points by vesto on March 29, 2011 | past

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