Science · 1 view
Scientists find a surprising clue to why the universe’s expansion doesn’t add up
It’s well established that the universe is expanding, but there’s serious disagreement among scientists over how fast it’s happening.
Summary
It’s well established that the universe is expanding, but there’s serious disagreement among scientists over how fast it’s happening. Two of our best ways of measuring the cosmic expansion rate, the Hubble constant , give answers that are stubbornly at odds. This presents a major problem in modern cosmology known as the Hubble tension.
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