Question: does planet x exist or is it a thoery plz reply thanks

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  1. Planet X does not exist. Over the years people have thought such a planet might exist in different places of the Solar System, but we have never found it when we looked there.

    Some people think that there might be another planet in the Solar System very far away, well out beyond Pluto, but there is no evidence for one. It woud be *very* hard to find if it was, say 50 times further from the Sun than Earth, because it would not reflect much light of it’s surface or atmosphere.



  1. Good to see that some questions always make a come back