NASA will intentionally crash a spacecraft into an asteroid at 15,000mph on MONDAY – and the method could one day save Earth from a deadly impact
by Paul Alexander
The minimum change for the mission to be considered a success is 73 seconds.
Double Asteroid Redirection Test (DART) was launched last year and is due to collide with asteroid on Monday
NASA's first 'planetary defence' craft will try to deflect asteroid Dimorphos, which is 6.8 million miles from us
$325 million mission may sound like the plot of Hollywood blockbuster such as Armageddon or Deep Impact
But it could prove useful for altering the course of an asteroid years or decades before it bears down on Earth