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That would have been my third guess. Right after Mjöllnir impact crater.

I know it looks like we live in Norway, but isn't that crater under water?

Good point! I guess I better go with my third guess then.

Oh man, if you change your guess I'll have to go check with the Atomic clock to recalculate the winner! This might require access to a DeLorean.....any idea where I can pick up a Flux Capacitor cheap???