Some wonder why the seemingly important Matter (what 'matters' after all) is so small a constituent in the known universe. We know though that Dark Matter does not react with much. In collapses, Matter heats and reacts and explodes, Dark Matter though doesn't bother.
We can see then that if there were a Big Bang that Matter would react furiously and react and be carried along. Most matter then, and why we find so little in the known universe, is way way way out in space. Beyond current measurable distance. The Dark Matter just hung around.
I have no calculations to prove this before you accuse me of the same. It's a theory.
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