Celestia (http://www.shatters.net/celestia/ http://www.shatters.net/celestia/ ) is an interactive version of the known universe, similar to the video. One thin

Celestia (http://www.shatters.net/celestia/ http://www.shatters.net/celestia/ ) is an interactive version of the known universe, similar to the video. One thing I like about it is that it can show you how fast you're traveling, which really helps give a sense of scale. It's the Total Perspective Vortex, for sure.