Celestia Publisher's description
from Chris Laurel
Celestia is an application for real-time 3D visualization
Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.
Welcome to Celestia
... The free space simulation that lets you explore our universe in three dimensions. Celestia runs on Windows, Linux, and Mac OS X.
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.
All movement in Celestia is seamless; the exponential zoom feature lets you explore space across a huge range of scales, from galaxy clusters down to spacecraft only a few meters across. A 'point-and-goto' interface makes it simple to navigate through the universe to the object you want to visit.
Celestia is expandable. Celestia comes with a large catalog of stars, galaxies, planets, moons, asteroids, comets, and spacecraft. If that's not enough, you can download dozens of easy to install add-ons with more objects.
What's New in This Release:The next major update of Celestia is finally ready. Download version 1.6.0 for Mac, Windows, and Linux from SourceForge. 1.6.0 adds a lot of new capabilities to Celestia. This list describes a few of them. For a thorough list of what has changed, have a look at the new change log.
System Requirements:No special requirements.
Program Release Status: Minor Update
Program Install Support: Install and Uninstall