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If black holes are black, how do we know they exist? Explore the evidence in stunning images from the Chandra X-ray Image Gallery.

What's happening in the search for black holes? Learn about recent discoveries with (mega) byte-sized video and audio updates from the exciting world of x-ray astronomy.

Black Holes Wallpaper
Put black holes on your computer without losing any of your files! Black hole-themed Desktop Patterns, Wallpapers, and Screensavers are now available for your PC.

Black Holes E-Cards
Create an e-card and share your excitement for black holes with friends and family. Who says you can't send information from a black hole?!