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8 July, 17:43

When was Pluto formally downgraded from planet to dwarf planet? A. After The New York Times published an article about Pluto B. After a vote by the International Astronomical Union C. After Dr. Tyson received a letter from a concerned child D. After the Hayden Planetarium's solar system exhibit opened

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  1. 8 July, 18:13
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    The astral being we call Pluto was downgraded after B.) A vote by the International Astronomical Union
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