00:00What if our solar system secretly had two suns, and we just missed it?
00:04Jupiter is called a failed star.
00:06It's made of the same hydrogen and helium as the sun,
00:09but it needs 80 times more mass to trigger nuclear fusion.
00:13It did ignite.
00:14Jupiter would light up our night sky as bright as the full moon
00:17and its new gravity would unleash chaos.
00:21Throwing asteroids straight at Earth,
00:23did life on Earth survive two suns?
00:26Subscribe to find out.
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