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What Is Planet Nine, And Does It Even Exist? – ScienceAlert
Planet Nine – also referred to as Planet X – is a massive, hypothetical object in an elliptical orbit far beyond Pluto, roughly…
Planet Nine – also referred to as Planet X – is a massive, hypothetical object in an elliptical orbit far beyond Pluto, roughly at a distance that would take 10,000 to 20,000 Earth years for it to complete a single trip around the Sun.
Though no direct…
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