Celestia 1.6

I prefer commercial software for everyday tasks these days, but there’s no denying that open source software has a place in filling niches that are unlikely to be filled by commercial projects. One such is Celestia 1.6, an open source application…

“for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.”