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1 авг 2006 г. - Pluto is Not a Planet

Описание:

On August of 2006 the International Astronomical Union (IAU) demoted Pluto to a Dwarf Planet. Pluto was demoted because it did not meet the textbook definitions of what a planet was. Pluto did not clear the neighborhood around its orbit.

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Дата:

1 авг 2006 г.
Сейчас
~ 19 г назад

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