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The largest black holes in the universe

How big can they get? What's the largest so far detected? Where does an 18 billion solar mass black hole hide?


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No arms, no legs, no worries
Recent comments on this video
Comment icon #1 Posted by Wondercookie on 23 September, 2010, 17:39
Thanks for sharing this - this is the stuff that's like candy on my brain, I love it! But...50 years down the road, people are going to be saying, "those poor folks back then! Did they really think this? Couldn't they see the truth, as plain as it was in front of them?" The same as us today listening to black-and-white people talk about little green men on Mars.

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