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2006-04-22
Celestia
4 usersby baseballnut
The free space simulation that lets you explore our universe in three dimensions. Celestia runs on Windows, Linux, and Mac OS X.
earth google space system freeware crossplatform yes solar stars planets
2005-08-15
Celestia
4 usersby hint
The free space simulation that lets you explore our universe in three dimensions. Celestia runs on Windows, Linux, and Mac OS X.
astronomy earth education solar_system space system freeware solar stars planets sun moon