. "2012-10-01Z"^^ . . . . . "Universe Sandbox"@en . . . "Universe Sandbox is an interactive space and gravity simulator, developed as proprietary software. Using Universe Sandbox, one can see the effects of gravity on objects in the universe and run scale simulations of our Solar System, various galaxies or other simulations, while at the same time interacting and maintaining control over gravity, time, and other objects in the universe (moons, planets, asteroids, comets, black holes, etc.)."@en . "2.2" .