Pluto - The Ninth Planet?!
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7 سال پیش
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When Clyde Tombaugh discovered Pluto
When Clyde Tombaugh discovered Pluto in 1930, he was the first to see a planet in our Solar System that was beyond Neptune.
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7 سال پیش
در تاریخ 1397/01/17 منتشر شده
است.
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