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Where did the Moon come from? A new theory

Sarah T. Stewart  TED Salon U.S. Air Force  February 2019
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.
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