Gaia Sky is an open-source, immersive, real-time 3D universe exploration and visualization app developed by the Astronomical Observatory of the Autonomous University of Barcelona. It is designed to allow users to explore the Milky Way and its components in an interactive and educational way. In Gaia Sky, users can explore the stars, galaxies, nebulae, and other celestial objects through an interactive 3D environment. The app also provides detailed information about each object and allows users to customize their view of the universe. Additionally, Gaia Sky features an integrated web browser for searching for astronomical data and an extensive range of tools for creating simulations and visualizations of the universe. Gaia Sky is available for both desktop and mobile platforms.
Discontinued The program is no longer updated. The latest version, 5.73, released in July 2006, can still be downloaded from the official website.