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.
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Double Asteroid Redirection Test (DART) was launched last year and is due to collide with asteroid on Monday
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NASA's first 'planetary defence' craft will try to deflect asteroid Dimorphos, which is 6.8 million miles from us
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$325 million mission may sound like the plot of Hollywood blockbuster such as Armageddon or Deep Impact
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But it could prove useful for altering the course of an asteroid years or decades before it bears down on Earth
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