Did the universe cool off or get hotter as it expanded after the 'big bang"?

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asked Jul 16, 2020 203k views

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Did the universe cool off or get hotter as it expanded after the 'big bang"?

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Varundhariyal asked

by Varundhariyal

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As space expanded, the universe cooled and matter formed.

Mikermcneil answered Jul 22, 2020

by Mikermcneil

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