Create your own solar system in the outer space with Galaxy Space Simulator 3D for FREE! 🪐 Add new planets 🌏, moons 🌘, stars ⭐️, and asteroids. ☄️ The universe sandbox is an addicting 3D space simulator based on realistic astrophysics. You will see how gravity will create the planet orbits and how galaxies or star systems like Milky Way Galaxy or Alpha Centauri form. 💫 This is a perfect game for astronomy and science fiction lovers. 🔭 Interstellar space exploration may not be possible fo