CNN published this video item, entitled “Neil DeGrasse Tyson explains why we need planetary defense” – below is their description.
In humanity’s first test of asteroid deflection technology, NASA’s DART spacecraft deliberately crashed into the Dimorphos asteroid on Monday at 7:14 p.m. ET. Astrophysicist Neil DeGrasse Tyson joins CNN’s John Berman and explains the importance of a planetary defense system. #CNN #News
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