Description: Open source 3D universe simulator for desktop and VR with support for more than a billion objects. 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 (ZAH, Universität Heidelberg). Latest version: 3.5.1 Webpage: https://zah.uni-heidelberg.de/gaia/outreach/gaiasky Download page: https://zah.uni-heidelberg.de/gaia/outreach/gaiasky/downloads Source code: https://codeberg.org/gaiasky/gaiasky Changelog: https://codeberg.org/gaiasky/gaiasky/src/branch/master/CHANGELOG.md