Name: Celestia Description: Celestia is an OpenGL-based 3D space simulation for Unix and Win32 that lets you travel through the solar system, to the stars, and even beyond the galaxy. Visit over 100,000 stars, 100 solar system bodies, and all known extrasolar planets. Author: Chris Laurel Homepage: http://www.shatters.net/celestia/ License: GNU Public License Category: Astronomy