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Really really cool! I was listening to that guy Lawrence Krauss on it
They want to study exploding stars (supernovas) to work out the nature of the universe.
There's one exploding star every 100 years PER GALAXY.
So how do you find an exploding star? Because the universe is very big and old, if you hold up a dime, and extend your arm out, and aim it up into the sky, that dime's worth of area will contain like 3 exploding stars.
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