WinStars is a planetarium running on computers, tablets and mobiles. It is a 3D simulator that accurately represents celestial objects at a given time. It also allows you to travel in our galaxy and its close neighbourhood. A thread dedicated to scientific news allows you to follow and display in the software the results of research currently conducted in astrophysics. WinStars is a software in constant evolution. New functions are regularly added to make it an educational tool dedicated to the discovery of our Universe.
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Arecibo: the end of a giant
Following two cable breaks last August and November, Arecibo’s radio telescope was in danger and threatened by collapse. The rupture of a third cable finally caused the 900-tonne central platform to fall onto the 305-metre dish. This radio telescope managed by the National Science Foundation, a US government agency, was built in Arecibo on the …
Jupiter and Saturn: Great conjunction 2020
A Great conjunction is a conjunction of the planets Jupiter and Saturn. Great conjunctions occur regularly (every 19.6 years, on average) due to the combined effect of Jupiter’s approximately 11.86-year orbital period and Saturn’s 29.5-year orbital period and due to the proximity of the orbits of the planets. The upcoming Great conjunction will occur on …
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Mars sample return
On July 30, a powerful AtlasV rocket left Earth with the Perseverance rover and the Ingenuity drone on board. The Mars 2020 mission is designed to operate until 2030 and should help NASA and ESA to reach important milestones in the exploration of the Red Planet. It will begin with a planned landing on February …
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Windows
Release 3.0.196 (2021/04/06):
version x64 (Windows 10 only)
https://winstars.net/files/version3/winstars_installer.exe
version x86 (compatible with Windows 7, 8.1 & 10)
https://winstars.net/files/version3/winstars_installer_x86.exe
(Warning: using WinStars 3 on an obsolete machine running Windows 7 may cause serious compatibility problems).
If you want to update an existing installation of WinStars3, please use the Maintenance Tool located in the main WinStars3 folder (typically c:\program files\winstars3).
Android
You can now download the release version on the Google Play store :
macOS X
on App Store :
iOS
Want to try the test version for iOS? Write me at franck.richard@winstars.net
Ubuntu 20.04 x64
Release 3.0.199 (2021/04/06):
Follow this procedure