SpaceSim

Explore the universe

Everything else Product Hunt Launched Jul 23, 2026 by Romain Simon romainsimon View original post ↗

SpaceSim is a free browser-based universe simulator. Travel through a UTC-driven 3D Solar System, inspect source-linked scientific state, observe Earth from a pinned NASA ISS trajectory, build procedural stars, visit compact objects, and collect postcards. Scientific, reconstructed, representative, procedural, experimental, and promotional content are clearly labeled. No signup required.

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