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Xkcd: M87 Black Hole Size Comparison

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Xkcd: M87 Black Hole Size Comparison

#1

Post by G8WyaX » Thu, Apr 11, 2019, 5:58 AM UTC

Xkcd: M87 Black Hole Size Comparison
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Re: Xkcd: M87 Black Hole Size Comparison

#2

Post by clintonb » Thu, Apr 11, 2019, 7:31 AM UTC

Why not post to the original content?

https://xkcd.com/2135/

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