We know where Krypton was. Or at least, it's got an established location courtesy of Neil DeGrasse Tyson.
In 20**, a group of Superfen took the long journey out of LHS 2520, discovered a frozen, uninhabitable rock, a searing-hot super-jupiter gas-giant on a 2-week year orbit , and a dense asteroid belt right smack-dab in the middle of the goldilocks zone that was immediately named the 'Kryptonian Belt'.
There were no current signs of life. A small memorial plaque was left behind before they took the long trip home.
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--m(^0^)m-- Wot, no sig?
In 20**, a group of Superfen took the long journey out of LHS 2520, discovered a frozen, uninhabitable rock, a searing-hot super-jupiter gas-giant on a 2-week year orbit , and a dense asteroid belt right smack-dab in the middle of the goldilocks zone that was immediately named the 'Kryptonian Belt'.
There were no current signs of life. A small memorial plaque was left behind before they took the long trip home.
________________________________
--m(^0^)m-- Wot, no sig?