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12 St. 15 Min, 1 Jan 2017 Jahr - The formation of first neutral atoms

Beschreibung:

Hydrogen and helium are made

Zugefügt zum Band der Zeit:

Cosmic calendar

14 Dez 2017

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12 St. 15 Min, 1 Jan 2017 Jahr

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~ 8 years and 9 months ago

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