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Using a cosmic calendar where the big bang happened at midnight January 1, at what time did human ...

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Using a cosmic calendar where the big bang happened at midnight January 1, at what time did human ...

Using a cosmic calendar where the big bang happened at midnight January 1, at what time did human civilization emerge?

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1 hour before midnight on December 31

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30 minutes before midnight on December 31

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30 seconds before midnight on December 31

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11 seconds before midnight on December 31

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ASTRO

Edition: 3^rd

Authors: Ghose, Milosevic-Zdjelar, Read

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