“…cosmologists have estimated that some of these galactic walls may have taken from 80 billion to 100 billion, to 150 billion years to form in a direct challenge to current age estimates of the age of the Universe following the Big Bang.” Here.
“…cosmologists have estimated that some of these galactic walls may have taken from 80 billion to 100 billion, to 150 billion years to form in a direct challenge to current age estimates of the age of the Universe following the Big Bang.” Here.