Planetarium 2 - Zen Odyssey has been released! An much improved sequel built from the ground up! Prepare for the next generation space experience. Planetarium Zen Solar System is a physics based space simulator that provides an open-ended sandbox experience. View gravity simulations, planetary collisions and grasp the beauty of our universe. Create, destroy, and interact with our universe! Features ◆ Expansive Sandbox Experience. Explore the vast space sandbox in Planetarium Zen Solar Sys