What are gravitational waves? - Amber L. Stuver

Check out all of TED-Ed's book recommendations: http://ed.ted.com/books Check out Neil deGrasse Tyson's "Astrophysics for People in a Hurry": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/astrophysics-for-people-in-a-hurry View full lesson: https://ed.ted.com/lessons/what-are-gravitational-waves-amber-l-stuver In September 2015, scientists witnessed something never seen before: two black holes colliding. Both about 30 times as big as our Sun, they had been o

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