The Universe in your computer

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. New functions will be progressively added in order to convert the software into a pedagogical tool dedicated to the discovery of our Universe.

Blog

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 …

Download

Windows

Release 3.0.162 (2020/10/21):
 

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

Coming soon…
 

Ubuntu 20.04 x64

Release 3.0.162 (2020/10/21):

Follow this procedure