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Neil deGrasse Tyson explains NASA's DART mission
5m 29s
NASA's recent Double Asteroid Redirection Test mission, known as DART, successfully altered the orbit of a planetary object for the first time ever. Astrophysicist Neil deGrasse Tyson, and author of the new book "Starry Messenger: Cosmic Perspectives on Civilization," joins Geoff Bennett for our Weekend Spotlight to discuss.