About Celestia

The original Celestia is a real-time space simulation that lets you experience our universe in three dimensions.
celestia.mobi hosts all the contents about Celestia frontends developed by Levin Li including an add-on collection maintained by the Celestia community. You can get donwloads of these frontends at Downloads.

Privacy

Celestia only collects data for analytic and diagnostic purposes and the code for collecting these data is publicly available for viewing. You can find the privacy policy required for Celestia here.

Development

Celestia is an open source software which anyone can contribute to. The source code for Celestia is available in celestiamobile and CelestiaProject. There is a guide for setting up for building Celestia here. Additionally, Celestia is built on top of third party libraries listed here.

Contacts

For bugs, questions and suggestions about Celestia in general, the original Celestia project has an online forum. There is also a discussion page on GitHub. You can also join the discord server.

For bugs, questions and suggestions about the frontends we maintain or about the website, you can contact us inside the app if the frontend supports it, you can also make a GitHub issue here or send an e-mail.

License

Celestia is licensed under the GNU General Public License. For more details, see the license file.

Authors

Celestia is developed and maintained by many contributors. For a full list of authors, see AUTHORS.

Translators

Celestia has been translated into many languages by dedicated volunteers. For a full list of translators, see TRANSLATORS.