Celestia gives access to hundreds of celestial bodies flung in the farthest corners of the universe. The navigation panel takes you to these places in a quick and easy way – so sit back, relax, and calmly check out the cosmos during your trip.
Stars, constellations, nebulas, galaxies, comets, planets, and satellites are just part of what you can visit with Celestia. You can also trace the orbit around a celestial body or follow it through space.
Also, just like in a documentary about the universe, Celestia lets you create and run scripts in order to follow a preset path through space. Every place you visit will be explained by an identifying label.
Celestia gives access to hundreds of celestial bodies flung in the farthest corners of the universe. The navigation panel takes you to these places in a quick and easy way – so sit back, relax, and calmly check out the cosmos during your trip. Celestia is a free space simulator for Windows, Linux and Mac OS X. You can freely explore space in three dimensions. The program displays objects and orbits based on scientific data. Celestia is a 3D astronomy software program created by Chris Laurel. The program allows users to virtually travel through a computer generated universe. Celestia can display objects of various scales using OpenGL. Celestia is available for AmigaOS 4, citation needed Linux, macOS, Microsoft Windows, iOS, and Android.
Real-time 3D visualization of space. Changes: 1.6.1 Bug fixes. Removed extraneous colons from nearstars.stc. Fixed truncation of long label strings in East Asian locales. Increased size of Goto Object dialog to prevent translated strings from being truncated. Fixed i18n bug with scripting message. Removed duplicate install of stars.dat. Fix code taking address of a temporary result. Celestia is available on different operating systems such as Linux, Mac OS, AmigaOS 4 and Windows. To get the latest version of Celestia 1.6.1 for Windows with a direct and fast download button via Downzen click on the download button on this page. To get the Celestia for other operating systems visit the download page on the official website.
Notes
For Mac OS X 10.2 or higherHi Celestians!I'm glad to announce that the first beta version of the next bugfix release 1.6.2 is available. Please test it and help with translation to your language.
This release is created mainly to provide 64 bit versions of Celestia for modern Windows and OS X platforms.
Changelog, only user-relevant parts are left
Bug fixes
* Options dialog is hidden on delete event instead of removed (GTK+ frontend)
* Fixed crash when loading of a celx script failed
* Add missing gettext calls to make units (km, Kpc, ...) translatable
* Fixed syntax error in GL2 shader called when there is no light sources
* First object in Guided Tour can be selected (Windows frontend)
* Fixed compilation for 64 bit target of Windows frontend
Platform-specific changes
* Unix: GTK+ frontend made translatable
* Windows: tilde (~) can be used in filenames to represent home directory
* OSX: A lot of changes to make Celestia compatible with the current requirements (@Markerz can describe them better)
Features
* Leap seconds added for 2012, 2015, 2017. Dropped for 1 Jan 1972
* Add support for Lua 5.2 and 5.3, drop Lua 5.0
* Favorites file by default is saved to user home directory:
- Unix: $XDG_DATA_DIR/Celestia (~/.local/cache)
- OS X: ~/Library/Application Support
- Windows: %APPDATA% (~/AppData/Roaming)
Scripting
* Add titles for example scripts
Translations:
* Add Norwegian Bokmål translation
Source code is available at Github
Windows builds are available at Bintray and Github. The same installation file for both 64 and 32 bit versions.
Viewing Celestia 1.6.1 For Mac 2
Viewing Celestia 1.6.1 For Mac Windows 10
OS X builds will be made as soon as @Markerz provides them.Known issues
Viewing Celestia 1.6.1 For Mac Torrent
* 'Disable display scaling on high DPI setting' must be set in windows with high DPI desktops* Lua 5.2 made 'goto' a reserved word, scripts with 'observer:goto()' will be aborted
* No NAIF kernels support (SPICE)