RE: Planet 9: Hypothetical or Real? — Hive

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RE: Planet 9: Hypothetical or Real?

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sdg1 (57)in #astronomy • 5 years ago

I heard about the Pluto controversy. Is Planet 9 part of same controversy?

5 years ago in #astronomy by sdg1 (57)

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prosperist (-1)(1) 5 years ago

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