Dr. Weiping Yu on OSIRIS-REX's Asteroid Samples, Light Sails Unlocking Interstellar Travel - A Neighbor's Choice

Dr. Weiping Yu returns for another exciting segment of Science and U. The physicist comments on the news that NASA's OSIRIS-REX spacecraft has touched the surface of an asteroid on Tuesday to gather a sample of rocks and dirt. What can we expect from the rubble that OSIRIS-REX is bringing home? What's the difference, from a physics standpoint, between an asteroid and a comet? Plus, Dr. Yu also analysis the claim that a new "light sail" concept for spaceflight will unlock interstellar travel. Listen to the full episode for all this and more. Email A Neighbor's Choice with a guest suggestion, story tip or question at [email protected] Visit the A Neighbor's Choice website at aneighborschoice.com

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