I thinking how to calculate time dilation in different time with usage of average mean density.(adsbygoogle = window.adsbygoogle || []).push({});

Lets set that Universe have average mean density ##\Omega_{t1}## at time t1 and ##\Omega_{t2}## at time t2.

How to get time dilation, for comoving observers, between time t1 and t2?

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# How to calculate time dilation ?

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