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12 ч 15 мин, 1 янв 2018 г. - The formation of first neutral atoms.

Описание:

The first were Hydrogen and Helium.

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Cosmic Calendar

11 дек 2017

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Дата:

12 ч 15 мин, 1 янв 2018 г.

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~ 7 гг и 9 мес назад

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