stellarium: Stellarium (Virtual planetarium) stellarium: stellarium: Stellarium shows a realistic sky in 3D, just like what stellarium: you see with the naked eye, binoculars or a telescope. stellarium: It is being used in planetarium projectors. Just set stellarium: your coordinates and go. stellarium: stellarium: Homepage: stellarium: stellarium: http://www.stellarium.org/ stellarium: