NASA to smash spacecraft into asteroid in bid to protect Earth from destruction
Astronomers are hoping that spacecraft Double Asteroid Redirection Test will shorten the orbit time by about 10 minutes while destroying itself in the process, providing hope should we ever need to deflect a true threat
Why is a NASA spacecraft crashing into an asteroid?
CAPE CANAVERAL, Fla. (AP) — In the first-of-its kind, save-the-world experiment, NASA is about to clobber a small, harmless asteroid millions of miles away. A spacecraft named Dart will zero in on the asteroid Monday, intent on slamming it head-on at 14,000 mph (22,500 kph).