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Stellarium 0.21.0

A free tool that will help you explore the Universe using your computer

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Average rating: 3.8/5 (4 votes)
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Stellarium screenshotStellarium is a free and open source application that will let you explore the Universe right from the comfort of your home. This software displays a realistic 3D sky on your monitor, like you see with the naked eye, telescope or binoculars. It is ideal for use in planetarium projectors.

Stellarium integrates a rich stars catalog, containing more than 600 000 items. You can extend it with extra catalogs and explore over 210 million stars. The software features illustrations and asterisms of constellations for 19 distinct cultures.

Stellarium presents the Milky Way in a highly realistic manner, offering you a wide variety of images of nebulae (the entire Messier catalog). The planets and their satellites are accurately presented. The software will also show you a very close to reality atmosphere, sunrise and sunset.

Stellarium provides a powerful user interface, offering you a comprehensive set of features, such as time control, telescope control, strong zoom, fish-eye and spherical mirror projection, and more. The software is also multilingual and offers extensive keyboard control.

Stellarium also offers advanced visualization features, like supernovae and eclipse simulation, shooting stars, star twinkling, azimuthal and equatorial grids, skinnable landscapes, etc. The software can be customized and you can extend its' functionality by using plugins that will add ocular simulation, telescope configuration, artificial satellites, and many more.

Stellarium lets you add and use your own constellation images, scripts deep sky objects, and landscapes. You can also find and add new solar system objects from the Web.


  • A great software for stargazers without telescope.
  • Gives you detailed info for just about everything.


  • A good video card and more RAM memory makes it run much better.
Name Stellarium
Version 0.21.0
Developer | see all products from this developer
Product Homepage Stellarium
License Free (Freeware)
Last Week Downloads 4
All Time Downloads 49,796
Filename stellarium-0.21.0-win32.exe
Filesize 254.1MB
MD5 Checksum F6B571C79A257BD1A9E6FEAE200CC520
OS Support Win 7/8/8.1/10
Category Home & Education

100% CLEAN Certification

BadgeStellarium has been tested by team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. Our editors will recheck this software periodically to assure that it remains clean.


Old Versions

Software Date Added
Stellarium March 30, 2021 - Latest Version

Download the free Stellarium