cosmic sandbox, universe simulation, interactive space, free-floating celestial bodies, gravity experiments, planet creation, asteroid collisions, star formation, galaxy design, realistic physics, material textures, nebulae backgrounds, light effects, 3D models, educational tool, user-friendly interface, real-time evolution, dynamic environment, solar system builder, expansive universe, high-resolution graphics, ambient space music, virtual reality support, desktop application, educational gameplay, astrophysics simulation, customizable scenarios, space exploration, panoramic view, detailed asteroid belt, black hole simulation, supernova effects, interstellar clouds, procedural generation, space-time curvature, scientific accuracy, ambient lighting, wide-angle perspective.