Microsoft Research released a beta version of WorldWide Telescope last night. This is the amazing program I talked about recently that lets you explore the sky like never before. Take a look at a couple of screen shots I've taken:

Binary star system

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Supernova remnant cross-faded midway between a color sky survey and X-ray

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I've spent far too much time over the past while playing with this. Do yourself a favor and head over to the WorldWide Telescope web site and click on Experience It to try out the beta. You'll love it!