Features

• Simulate Gravity - N-body simulation at almost any speed using Newtonian mechanics. Real science, real physics, no supercomputer required.
• Collide Planets & Stars - Epic, mind-blowing collisions of massive planetary bodies that leave behind molten craters
• Create Your Own Systems - Start with a star, then add a planet. Spruce it up with moons, rings, comets, or even a black hole.
• Model Earth's Climate - Watch sea ice grow and recede with the seasons because of the tilt of the Earth: change the tilt and change the seasons
• Supernova a Star - Make a star evolve by cranking up its age or mass, then watch a supernova unfold
• Explore Historical Events - Ride along with the Juno and New Horizons spacecraft, or view a total solar eclipse
• Material System - build planets out of Hydrogen, Iron, Rock, & Water
• Stellar flares & volatile trails
• Procedurally generated planets, stars, & galaxies
• Pulsars
• Light-warping black holes
• Original soundtrack by Macoubre