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Non-Rotating Early Galaxy Is a Surprise to Astronomers
(www.ucdavis.edu)
I watched Anton Petrov's video on this and found out that distant objects literally move in slow motion for us. Like the further away an object is the slower it appears to move to us. It's an effect of the light being stretched or red-shifted. Since space and time are intertwined, stretching space stretches the time interval between light waves, so the expansion of the universe causes distant objects to move in slow motion ( from our perspective).
If we look at an object that existed 1 Billion years after the Big Bang, a second from the epoch appears to last five seconds for us.