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What are gravitational waves? - Amber L. Stuver

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TEDEd Animation

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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 orbiting each other for millions of years. A fraction of a second before the crash, they sent a vibration across the universe at the speed of light that was picked up by the LIGO detector. So what are these ripples in space? Amber L. Stuver explains.

How is a gravitational-wave detector like LIGO similar to a radio?

About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Amber L. Stuver
  • Director Eoin Duffy
  • Script Editor Eleanor Nelsen
  • Animator Eoin Duffy
  • Sound Designer Weston Fonger
  • Associate Producer Jessica Ruby
  • Content Producer Gerta Xhelo
  • Editorial Producer Alex Rosenthal
  • Narrator Julianna Zarzycki

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