Scientists detect biggest ever merger of two massive black holes
The Guardian - ScienceSunday, July 13, 2025 at 11:01:53 PM
Scientists just spotted the most colossal black hole merger ever recorded—a cosmic smash-up so powerful it sent ripples through the fabric of space-time. These two black holes, each over 100 times heavier than our sun, spiraled toward each other for eons before colliding 10 billion light-years away, creating an even more monstrous black hole. The discovery, picked up by gravitational wave detectors, is forcing astronomers to rethink how these gigantic objects form and behave.
Editor’s Note: This isn’t just another space oddity—it’s a record-breaking event that challenges what we know about black holes. Gravitational waves (those ripples in space-time) are like cosmic breadcrumbs, helping us piece together how the universe’s most extreme objects evolve. Finding black holes this big merging so far away hints that there might be more of these behemoths lurking in the cosmos than we thought. Plus, it’s a reminder that Einstein was right (again)—his theory of relativity predicted these waves over a century ago, and now we’re watching them reshape our understanding of the universe.
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