NASA wants to save Earth with an anti-asteroid DART | Watch This Space

Who knows when a giant asteroid could crash into the planet and kill us all? But one thing's for sure: we'd better have a backup plan. Claire Reilly takes a look at NASA's mission to gently bump those killer asteroids off course and (hopefully) save humankind. Watch NASA tearfully say goodbye to Mars rover Opportunity https://youtu.be/VwNvSYgne8c Subscribe to CNET: https://www.youtube.com/user/CNETTV CNET playlists: https://www.youtube.com/user/CNETTV/playlists Download the new CNET app: http://bit.ly/2fmiQ6l Like us on Facebook: http://bit.ly/1930vfU Follow us on Twitter: https://www.twitter.com/cnet Follow us on Instagram: http://bit.ly/2icCYYm #NASA #Dart #asteroid http://bit.ly/2EdyUkg CNET February 15, 2019 at 12:45PM