What will NASA do when it finds a killer asteroid making its way to Earth? "What would NASA do if a dinosaur-killing asteroid barrels its way to Earth?" That is one of the questions actor Adam Driver asked NASA in one of the agency's latest videos to determine what NASA's response would be like.
NASA s upcoming DART mission plans to hit an asteroid with a spacecraft to test Earth s defenses. But our chances of deflecting an asteroid depends on how much warning time we have.