
Celestia
Open SourceCelestia is a free and open-source 3D astronomy program allowing users to explore a vast, realistic model of the universe, including billions of celestial objects, at any speed and time period.
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Toggle hiển thị names, orbits, boundaries, and other information for celestial objects.
Celestia is a free and open-source 3D astronomy program allowing users to explore a vast, realistic model of the universe, including billions of celestial objects, at any speed and time period.