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The True Stories of 5 Mystery Planets

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Unseen planets

Credit: NASA/JPL-Caltech
Astronomers have long been predicting the existence of hidden planets at the farthest reaches of the solar system. Motivated by the desire to solve a cosmic…Read More »









mystery, as well as, perhaps, the glory of having their name forever associated with the discovery of a new planet, these astronomers' grand predictions have in some cases been borne out, and in others, met with failure. See examples of both in the following slides.   Less «
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