planetary defence, comet asteroid impact nasa dart kinetic impact deflection News Science Technology 

NASA’s new planetary defence system faces field trials

NASA has announced that its first-ever asteroid deflection mission has progressed to the next design phase. The Double Asteroid Redirection Test, or DART, is as the name suggests, an asteroid deflection technique that is set to become a world-first planetary defence system. Using revolutionary technology known as kinetic impaction, the DART will strike asteroids in order to shift its orbit. Read More

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