I Wanted to Believe!
No, "Planet X" does not exist: There's a going theory out there that an undiscovered planet resides in our solar system somewhere beyond the orbit of Pluto. But NASA just finished an exhaustive survey — and it completely failed to turn up any evidence that "Planet X" exists.
2 comments:
...or so they claim.
Jeff
It's always exactly on the opposite side of the sun, so we can't see it from Earth.
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