
IFLScience
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www.iflscience.com
There Might Be An "Earth-Sized Planet" Hiding In The Solar System
Two astrophysicists have an explanation for strange movements of objects in the Kuiper Belt.

IFLScience

shared a link post in group #IFLScience

www.iflscience.com
There Might Be An "Earth-Sized Planet" Hiding In The Solar System
Two astrophysicists have an explanation for strange movements of objects in the Kuiper Belt.
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