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A planetarium is a scale model of the solar system. In the past, this mechanical models but nowadays, there is also software available that allows the user to view the solar system in three dimensions.

Celestia is an open source planetarium program.

Celestia is open source 3D planetarium software. You can use this software to virtual in a three dimensional environment, one of the more than 100,000 stars and planets visit.

There is a large amount of add-ons available which the basic data of the programme about astronomy, is expanding. In addition to stars, moons, galaxies, planets, asteroids, and comets with these add-ons include additional spacecraft to add to the program.

Celestia is suitable for Windows, Linux and Mac OS X.

Celestia has the following characteristics:

  • free planetarium software,
  • open source license,
  • more than 100,000 stars and 10,000 galaxies view,
  • supports the view of a seamless movement through the space
  • to expand with the help of add-ons,
  • available for Windows, Mac and Linux.

Celestia screenshots


You can free download Celestia and safe install the latest trial or new full version for Windows 10 (x32, 64 bit, 86) from the official site.

Devices: Desktop PC, Laptop (ASUS, HP, DELL, Acer, Lenovo, MSI), Ultrabook

OS: Professional, Enterprise, Education, Home Edition, versions: 1507, 1511, 1607, 1703, 1709, 1803, 1809 - Overview features and capabilities software, apps for Windows 10
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