Gravitational waves are a revolutionary new way to study the cosmos from "summary" of Astrophysics for People in a Hurry by Neil deGrasse Tyson
Gravitational waves are ripples in the fabric of spacetime itself. They are produced by some of the most violent and energetic processes in the universe, such as the collision of black holes or the explosion of massive stars. These waves were first predicted by Albert Einstein over a century ago as a consequence of his general theory of relativity. For decades, scientists searched for these elusive waves without success. It wasn't until 2015 that the Laser Interferometer Gravitational-Wave Observatory (LIGO) made the historic announcement that they had finally detected gravitational waves. This groundbreaking discovery confirmed Einstein's theory and opened up a whole new way of studying the cosmos. Gravitational waves provide a completely different perspective on the universe than traditional telescopes. While telescopes primarily rely on light to observe celestial objects, gravitational waves allo...
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