It shows it depends on what you call the "Big Bang". "Tenkanen suggests dark matter was first produced during an era known as the cosmic inflation - when space was expanding very rapidly." I always thought that the "Big Bang"was defined at the start, regardless, and only in the last few years understood some consider it an event part way in.
Then there's the problem with looking at things at the leading edge of our knowledge. One can choose to favour whichever conjecture appeals to you until the evidence comes in and whittles the possibilities down.
"Dark matter is known to play a crucial role in the formation of galaxies and galaxy clusters, and scientists know it exists because of its gravitational effects on the movement and distribution of visible matter in space."
Bah ! "Know" indeed. Could be something else no one has even thought of yet causing the effects. Dark matter will be the most obvious simplest explanation we have at present.
Pixie - you are thinking from a purely materialistic viewpoint and like most people find it incredible.
But there is a spiritual dimension, many people believe in spirituality like ghosts, Angels, visions dreams etc.
The spirit world is real, and not finite like ours.
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