The free space simulation that lets you explore our universe in three dimensions. Celestia runs on Windows, Linux, and Mac OS X, providing photo-realistic, real-time, three-dimensional viewing of the solar system, the galaxy and the universe. It is an easy to use, freely-distributed, multi-platform, open source, software package which has become a valuable tool for astronomy education.
astrophysicist John Dubinski's self-published DVD containing his stunning supercomputer simulations of galactic evolution set to Bach music. "... Gravitas points clearly at ties between the ideas of Isaac Newton and the music of Bach. To do this with sounds and images that appeal to club kids and new music fans equally is a major achievement." - John Terauds, Toronto Star, March, 9 2006