NASA Plans to Save Earth by Knocking Asteroid Off Its Orbit

Aiming to show how to protect Earth from a future killer asteroid strike, NASA plans to crash a refrigerator-sized spacecraft at a speed about nine times faster than a bullet…

NASA Plans to Save Earth by Knocking Asteroid Off Its Orbit

HIGHLIGHTS NASA plans to demonstrate an asteroid deflection technique Double Asteroid Redirection Test (DART) will hit an approaching asteroid It'll travel 9 times faster than the speed of bullet into…