CNN CNN Newsroom With Alisyn Camerota and Victor Blackwell November 25, 2021 19:51:00
Hurdling toward earth several times actually. but say it happens in real life and bruce willis isn't available to help prevent armageddon? well, nasa wondered if an astroid could be blasted into changing its course. and this week the space agency launched a first of its kind mission to test the theory. cnn's kristin fisher has the details. >> three, two, one, and liftoff of the falcon 9 and d.a.r.t. >> reporter: the launch of nasa's first ever planetary defense mission, instead of carrying satellites, telescopes or people, this spacex falcon 9 rocket is launching a spacecraft to test a technol...