Celestia Portable software is a free, open-source 3D astronomy application that allows users to explore the universe in real-time. It features a database of over 100,000 stars, galaxies, planets, moons, asteroids, comets, and spacecraft, as well as simulations of different celestial events such as eclipses and meteor showers. The software also allows users to customize their viewing experience with detailed graphics and animations, and supports add-ons and scripting for further customization.
Operating system: Windows
Publisher : Celestia Development
Version: 1.6.0 (checksum)