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Should we be looking for life elsewhere in the universe? - Aomawa Shields

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As the number of “potentially habitable” planets that astronomers find continues to rise, we seem ever closer to answering the question, “Are we alone in the universe?” But should we be looking for life elsewhere? If we were to find life in one of these worlds, should we try to contact any beings who may live there? Is that wise? Aomawa Shields navigates the murky waters of pursuing curiosity.

Thousands of planets have already been discovered orbiting stars other than the Sun. But this is only a tiny fraction of the planets that astronomers think actually exist. What are some of the reasons astronomers haven’t found more planets yet?

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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 Aomawa Shields
  • Script Editor Eleanor Nelsen
  • Art Director Rémi Cans
  • Senior Animator Rémi Cans
  • Composer Erwann Chandon
  • Sound Designer Erwann Chandon
  • Narrator Aomawa Shields

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