![Zombie Planets: The freakiest worlds in the universe Zombie Planets: The freakiest worlds in the universe](https://i.ytimg.com/vi/ZHlenYEeNz0/maxresdefault.jpg)
When massive stars explode in violent supernovas, they wipe out any nearby planets — but sometimes, the leftovers debris from this catastrophe can cool and condense, eventually forming entirely new worlds: zombie planets, built from the ashes of the dead. 2,300 light years away, an ancient ...
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