They haven't got a clue, neither do I, and neither do you.
Actually, I do. You might take Physicist's and Longshadow's advice. Just because you fail to understand something does not mean that everyone else fails to.
Few, if any, scientists have claimed the universe is contracting. Hubble's measurements have been improved upon, but not refuted.
To: Doctor Stochastic
A simple search into Google and I come up with this
esteemed "theory" the universe may be contracting. It's just that, a theory, like the one that says it's expanding.
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