Skeptic: Extraordinary Claims, Revolutionary Ideas, and the Promotion of Science

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Dr. Janna Levin

Black Holes Sing:
Black Holes, Their Orbits
& Gravitational Waves

Black Holes are the ultimate death state of very massive stars. Collapsing under their own weight, the dead cores will curve spacetime so strongly that not even light can escape. Black holes emit no light and reflect no light. They are dark against a dark sky and effectively invisible. When two black holes move in orbit around each other, they churn up the spacetime around them, emanating waves in the fabric of space itself. These waves are like the waves on a drum and are closest in analogy to sound waves: the black holes are singing. (more…)