space.celestiaproject.celestia_qt6 celestia-qt celestia MIT GPL-2.0+ Celestia (Qt6) Celestia Project Celestia Project https://github.com/CelestiaProject

Explore the universe

pointing keyboard touch

Celestia provides photo-realistic, real-time, three-dimensional viewing of the Solar System, the Galaxy and the Universe.

It is an easy to use, freely-distributed, multi-platform, open source, software package which has become a valuable tool for astronomy education. Used in homes, schools, museums and planetariums around the world, it also is used as a visualization tool by space mission designers.

space.celestiaproject.celestia_qt6.desktop https://celestiaproject.space Cassini–Huygens in orbit around Saturn https://celestiaproject.space/images/gallery/cassini.jpg Earth https://celestiaproject.space/images/gallery/earth.jpg Europa in orbit around Jupiter with Io inbetween https://celestiaproject.space/images/gallery/europa.jpg Proxima Centuri with solar filaments https://celestiaproject.space/images/gallery/proxima.png celestia Astronomy Education Science