Celestia screenshot
Celestia

Celestia is a powerful and interactive space simulation program that lets you explore the universe in stunning three-dimensional detail. Unlike conventional planetarium software that limits you to Earth’s surface, Celestia takes you on a journey beyond our planet to explore planets, moons, star clusters, and galaxies. With real-time calculations of celestial movements and objects, you can travel anywhere in the known universe or even beyond the Milky Way.

Explore the Universe with Celestia: A 3D Space Simulation

Available across various platforms such as Windows, Linux, macOS, iOS, and Android, Celestia offers a seamless space exploration experience with endless possibilities for customization and expansion.

Key Features

  • 3D Space Simulation:
    Celestia provides an immersive experience in exploring the cosmos. Whether it's planets, moons, comets, or galaxies, you can visit any object in Celestia's vast and expandable database, viewing them from any point in space or time. With accurate real-time calculations, Celestia simulates the movements and positions of solar system objects, ensuring an authentic and educational journey through space.
  • Limitless Exploration:
    Celestia allows you to go far beyond Earth, with the freedom to explore the entire solar system, over 100,000 stars, and even deep space beyond our galaxy. You can seamlessly move from one celestial object to another, thanks to its exponential zoom feature, which covers scales from galaxy clusters to spacecraft as small as a few meters.
  • Expandable Content:
    The program includes an extensive catalog of celestial objects, including stars, planets, moons, comets, asteroids, galaxies, and spacecraft. You can further enhance your experience by downloading dozens of add-ons, which introduce even more objects, high-resolution textures, 3D models, and even fictional celestial bodies from popular sci-fi franchises.
  • Virtual Planetarium:
    Celestia serves as an advanced virtual planetarium, allowing users to observe the sky from any location in the universe. Whether you’re viewing from Earth, a distant moon, or a far-off galaxy, Celestia provides an accurate representation of celestial objects' positions. Hotkeys allow easy switching of object labels and other tools, helping you zoom in and explore any object of interest, such as Jupiter’s system of moons.
  • Interactive Exploration and ‘Point-and-Go’ Navigation:
    Celestia’s intuitive 'point-and-go' interface lets you easily navigate through the universe. By selecting an object and using simple commands, you can move directly to it, making space exploration enjoyable and interactive.
  • Create and Customize Your Universe:
    One of Celestia’s standout features is the ability to create your own worlds. If you can’t find a particular celestial object, you can add it yourself. Celestia allows you to construct entire planetary systems, nebulae, galaxies, or fictional worlds, giving you the chance to bring your creations to life and share them interactively.
  • Virtual Textures for High-Resolution Displays:
    Celestia supports Virtual Textures, which means it can load and display extremely high-resolution textures for planetary surfaces. The software intelligently loads only the tiles required for display, improving performance while allowing for detailed close-ups of celestial bodies.
  • Support for Trajectory Data:
    Celestia supports different types of trajectory data, such as sampled orbits for spacecraft and NASA’s SPICE kernels for solar system objects. This feature provides accurate and real-time data for spacecraft paths, asteroid movements, and other celestial trajectories.
  • Multiplatform Support:
    Celestia is available across major operating systems, including Windows, macOS, Linux, iOS, and Android. Its cross-platform functionality makes it accessible to all space enthusiasts, regardless of the device they use.

Expand Your Universe with Add-ons:
Celestia’s content can be easily expanded. There are numerous add-ons available that introduce new objects, such as comets, stars, and high-resolution textures for Earth and other solar system bodies. You can also download 3D models of asteroids, spacecraft, and even fictional objects from well-known sci-fi franchises.

For users with creative ambitions, Celestia allows the creation of custom objects, planetary systems, or galaxies. It’s a fantastic tool for educators, astronomers, and space enthusiasts who want to expand the program's capabilities and demonstrate their own celestial creations.

Celestia is a must-have for anyone with an interest in astronomy or space exploration. Its ability to simulate celestial objects and allow for real-time exploration of the universe sets it apart from typical planetarium software. Whether you're a casual stargazer, an educator, or an astronomer, Celestia offers an unmatched opportunity to learn about and explore the universe. With its seamless navigation, expandable content, and powerful tools, Celestia brings the wonders of the cosmos to your fingertips.

Celestia - Changelog:

  • Update site URL to celestiaproject.space.
  • Fix building with Lua 5.4.
Download Celestia:
Size: 36.26 MB
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