Ruprecht-Karls-Universität Heidelberg

Gaia Sky

(2018-09-19) Gaia Sky 2.1.2 is out now!

Gaia Sky is a real-time, 3D, astronomy visualisation software that runs on Windows, Linux and macOS. It is developed in the framework of ESA's Gaia mission to chart about 1 billion stars of our Galaxy in the Gaia group of the Astronomisches Rechen-Institut (ZAHUniversität Heidelberg).


  • Free and open source - Gaia Sky is open and free, and will stay this way. Contribute to the development and translations.
  • From Gaia to the cosmos - Move freely through the cosmos or explore the Solar System in a seamless manner!
  • Gaia - Observe Gaia in its orbit and discover its movement in the sky and its attitude.
  • 6D exploration - Represents star positions but also proper motions and radial velocities, if available.
  • 3D-ready - With 6 stereoscopic modes: Anaglyphic (red-cyan), VR headset, 3DTV (H and V), cross-eye and parallel view.
  • 360 mode - With sperhical (equirectangular), cylindrical and Hammer projections.
  • Planetarium projection mode - Ready to produce videos for full dome systems.
  • Use your data - Bundles TGAS, NBG, SDSS and MWSC. Supports VOTable, FITS, CSV and others (STIL).
  • SAMP aware - Implements SAMP commands to interoperate with SAMP-ready software such as Topcat and Aladin.
  • Navigate the galaxy - Support for controllers and gamepads makes navigating the Galaxy a piece of cake.
  • Record and play your camera paths - Ready to record and play camera paths off-the-shelf.
  • Scriptable and extensible - Use Python to script and extend the capabilities of the Gaia Sky.
  • Internationalised - Translated so far to English, German, Spanish, French, Catalan and Slovenian.

Also have a look at our 360° panorama gallery!


Download Gaia Sky now!
Linux (deb, rpm, aur) · Windows (x86, x86_64) · macOS · tgz

Documentation

Gaia Sky documentation - We have all the most up-to-date documentation in our servers. Documentation in other formats and for older Gaia Sky versions is here. It continually grows, so stay tuned!

Videos

Here is the Gaia Sky YouTube playlist.

Contact information

Main designer & developer

Toni Sagristà Sellés

E-mail: tsagrista(at)ari.uni-heidelberg.de (please send bugs/requests/questions here)

Twitter: @jumpinglangur

Personal webpage: http://www.tonisagrista.com

Supervisor & contributor

Apl. Prof. Dr. Stefan Jordan

E-mail: jordan(at)ari.uni-heidelberg.de

Twitter: @StefanJordanARI

Personal webpage: http://www.stefan-jordan.de

Contributors

A full contributors list can be found in the CONTRIBUTORS.md file.

License

This software is published and distributed under the MPL 2.0 (Mozilla Public License 2.0). You can find the full license text in the LICENSE.md file or visiting https://opensource.org/licenses/MPL-2.0.

Acknowledgements

Full acknowledgements list: ACKNOWLEDGEMENTS.md

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