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The four puzzles that tell us a cosmological revolution is coming

The four puzzles that tell us a cosmological revolution is coming

22 July 2020

A century ago, we missed the loose threads that told us our picture of the universe would unravel. Let’s not be so complacent now, says cosmologist Dan Hooper
The universe is expanding

We don't know how fast the universe is expanding, and that's a problem

15 July 2020

Different ways of measuring how fast the expansion of the universe is accelerating disagree with one another, and new measurements are not fixing the issue

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