Microsoft Research WorldWide Telescope, breathtaking!
This is what made Robert Scoble cry and Buzz Bruggeman,
CEO of ActiveWords, called "the best thing he’s seen in years from Microsoft" a couple of weeks ago.
Science educator Roy Gould and Microsoft's Curtis Wong introduce the Worldwide Telescope at TED:
http://static.videoegg.com/ted/flash/loader.swf
From: The Worldwide Telescope - www.worldwidetelescope.org/
"The WorldWide Telescope (WWT) is a rich visualization environment that functions as a virtual telescope, bringing together imagery from the best ground and space telescopes in the world for a seamless, guided exploration of the universe"