NGC 6240
What's cool? How about two massive black holes at the center of another galaxy?

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The above was taken by Harvard's Chandra X-Ray Observatory.
Somewhere, Stephen Hawking is smiling. (Snitched from The Poor Man)
Dean, those are blue holes.
You missed the part about why we should care about this...?
Uhm, because it's breathtakingly cool?
Oh.
OK, then.