Can you guess the limerick? If not scroll down...
A dozen, a gross, and a score
Plus three times the square root of four
Divided by seven
Plus five times eleven
Is nine squared and not a bit more
Ever wonder what would happen if we got sucked into a black hole? Turns out we could live in it — if it was big enough.
This new NASA animation highlights the “super” in supermassive black holes. These monsters lurk in the centers of most big galaxies, including our own Milky Way, and contain between 100,000 and tens of billions of times more mass than our Sun.
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