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A new 9th planet for the solar system?
Objavljeno: 20.01.2016
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A new 9th planet for the solar system? ...
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EU-SEARCH VIDEO | A new 9th planet for the solar system? ...
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Observations of the orbits of six small objects have led researchers to propose a very large 9th planet--100s of astronomical units (AU) away from the sun. Far enough away that this Neptune-sized planet takes ~15,000 years to complete one orbit.
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