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Space around us rings with black hole mergers. The new gravitational-wave catalog added 161 such 'ripples'—some so loud they can be 'heard' 76 times clearer than the background. This allows ever more precise experiments on the fabric of the universe, stress-testing Einstein's theory.
🎯 Every few minutes, somewhere in the universe, black holes collide, producing a gravitational wave—the cosmos literally hums with such events.
