<img src="http://www.crunchgear.com/wp-content/uploads/2010/07/marsss.png" />OK, this is great. It's an updated version of Microsoft's WorldWide Telescope, and t's all about Mars. <a HREF="http://www.
Joining Google Sky and Stellarium is Microsoft’s entrant to the stars, Worldwide Telescope. I’ve been dinking around with it for about a half hour and it’s pretty cool. Check it out