Detection of Gravitational Waves (2015): The LIGO collaboration confirmed Einstein’s century-old prediction by detecting ripples in spacetime from merging black holes. This breakthrough validated general relativity and opened a new observational window on the universe. Gravitational wave astronomy allows scientists to study cataclysmic events invisible to traditional telescopes. It has provided insights into black hole masses neutron star collisions and the expansion of the universe. The achievement required extreme precision in laser interferometry and decades of technological refinement. It marks a new era in astrophysics enhancing our understanding of cosmic phenomena and the fundamental nature of reality.
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