WorldWide Telescope Google Sky gradient
Sky Tour
WorldWide Telescope

WorldWide Telescope:"The incredible images from Chandra and many other space- and ground-based telescopes are now available to the public in an educational and innovative manner through the release of the free WorldWide Telescope (WWT) software from Microsoft.."

Google Sky!

Google Sky: "Google Sky lets you tour Chandra images online. Just like in Google Maps you can pan, zoom and search. Take a tour of the Chandra layers and try adjusting the transparency to see how the images fit into the optical map underneath. View such famous objects as the Sombrero galaxy, the Eagle Nebula, Eta Carinae and the Crab Nebula in X-ray and optical light."