Skip to main content

Could comets be the source of life on Earth? - Justin Dowd

130,350 Views

5,626 Questions Answered

TEDEd Animation

Let’s Begin…

While comets were historically thought to be ill omens of war and famine, recent science has revealed that these celestial wonders actually contain amino acids, the building blocks of life on Earth. Justin Dowd explores the implications of this magnificent discovery.

WatchThink 6 Multiple Choice &
4 Open Answer Questions Dig Deeper Learn More Discuss 1 Guided Discussion &
0 Open Discussions
The formation of amino acids in comets is driven by a hot stream of particles emitted by stars known as _____.

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 Justin Dowd
  • Animator Justin Dowd
  • Script Editor Alex Gendler
  • Narrator Pen-Pen Chen

More from Out Of This World