is a free space simulation that lets you explore our universe in three dimensions.
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.
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Please select the appropriate Celestia 1.4.1 package for your computer from the list below.
Downloads are all hosted by SourceForge, meaning you are required to select a download server after clicking on the link. As a result, right-clicking on a link and selecting "Save as..." may not work as expected.
The Windows package of Celestia is a self-extracting archive; download it to your computer and then run it.
* Mac OS X
The Mac OS X package is a disk image. Download it to your computer, double click it, and follow the instructions in the README.
* Linux (x86)
If you are running Linux, you should check first with your distribution; there is a good chance that the package is available to you in the format best suited to your installation. A pre-compiled 32-bit version is provided in the autopackage format. It should run on any distribution that has OpenGL and GTK+ 2.6.
* Source Code
Celestia is an open-source project. As such, its source code is provided and is freely modifiable and redistributable as per the GNU Public License. Installation instructions are provided in the INSTALL file.
You can Even add TV Starships with Add-ons! Use a Movie Screen Capture Utility like Copernicus to Create your OWN Space flyby animations! And Regular Screen captures become Space filled Desktop backgrounds! http://www.shatters.net/celestia/
Extra Planets/Spacecraft/Space objects (Like Comets) can be had here: http://www.celestiamotherlode.net/
Categories: Educational - Pictures - Movies - Planetarium - Astronomy - Create Space Pictures - Create Space Video - Mac System X - Panther - Tiger - PPC - MacIntel - LINUX - Windows