Sarah T. Stewart • TED Salon U.S. Air Force • February 2019
Where did the Moon come from? A new theory
The Earth and Moon are like identical twins, made up of the exact same materials — which is really strange, since no other celestial bodies we know o…
This talk was presented at a TED Salon event given in partnership with U.S. Air Force. TED editors featured it among our selections on the home page. Read more about TED Salons.