Keith Cooper - Time appeared to move 5 times more slowly in 1st billion years after Big Bang, quasar 'clocks' reveal:
https://www.space.com/quasar-clocks-universe-time-dilation
#TimeDilation #Timekeeping #Time #BlackHoles #QuasarClock #Clock #Quasars #Redshift #GeneralRelativity #Relativity #Astrophysics #Cosmology
Time dilation, brought about by the relativistic expansion of space, has resulted in the observed slowing of 'clocks' in the early universe.
www.space.com
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