--- 03.24.05 --- Outta This World! NAME and DOWNLOAD LINK: Celestia 1.3.2 DESCRIPTION: 3D space simulator. SIZE: 11853 KB MINIMUM REQUIREMENTS: Windows 98/ME/2000/XP, Linux, and Mac OS X. COMMENT: "Unlike most planetarium software, Celestia doesn't confine you to the surface of the Earth. You can travel throughout the solar system, to any of over 100,000 stars, or even beyond the galaxy."