Why Black Holes Smashing Together Could Settle an Astronomical Dispute - CNET

Violent ripples reverberating across space-time might finally reveal how quickly our universe is expanding.

In 2019, a conference held at the Kavli Institute for Theoretical Physics in California concluded with a fraught statement: "We wouldn't call it a tension or a problem but rather a crisis." David Gr… [+6122 chars]

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