http://www.google.com/sky/
http://www.worldwidetelescope.org/Home.aspx [Microsoft]
http://www.stellarium.org/el/ [υποστηρίζει ελληνική γλώσσα]
http://www.shatters.net/celestia/
Download 3D Solar System 3.9 (22140 kb)
http://www.astrosurf.com/c2a/english/index.htm
http://www.winstars.net/english/
πηγή:didefth.gr
