You surely heard the remarkable news about a decade ago after gravitational waves were first detected. Now, scientists are hearing a distinct hum caused by other gravitational waves. @danfalk.bsky.social explores what it all means. https://www.smithsonianmag.com/science-nature/astronomers-suspect-colliding-supermassive-black-holes-left-the-universe-awash-in-gravitational-waves-180985909/
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