Planet X Orbit Discovered? With Amir Siraj

Amir Siraj and his team analyzed the orbits of distant trans-Neptunian objects, finding ∼3σ evidence of clustering that suggests the existence of an unseen planet about 4.4 Earth masses with an orbit around 290 AU.

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FOOTAGE:
NASA
ESA/Hubble
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ESO - Jose Francisco Salgado (josefrancisco.org)
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