00:00Imagine a lone star shining millions of times brighter than its entire galaxy.
00:04When a massive star runs out of fuel, it starts collapsing in on itself.
00:07And then comes the universe's biggest explosion, a supernova.
00:10From the ashes of this explosion come elements like gold, iron, and oxygen,
00:14which form new planets, and even us humans.
00:16So a dying star can actually kick-start life.
00:18But imagine, if a star in our neighborhood exploded like this today,
00:21what would happen to Earth?
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