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So, a supernova may have torched a star nearby

5 Dec 2018, 14:00 UTC
So, a supernova may have torched a star nearby NASA/Swift/Skyworks Digital/Dana Berry

When a star blows up, it's kind of a big deal.

The amount of energy released is staggering, equal to the Sun's multi-billion-year lifetime output of energy condensed down into a few weeks or months. They can be seen for huge distances, sometimes more than halfway across the visible Universe… and that makes them crucial for astronomy.

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