Brandon Hanna

Artist Illustration by National Aeronautics and Space Administration

Don’t look up now, but NASA’s upcoming DART mission is about to change planetary defense forever by proving that it’s possible to deflect a world-ending asteroid away from the Earth.

On September 26, NASA’s Double Asteroid Redirection Test (DART) spacecraft will crash into the asteroid Dimorphos, attempting to alter the object’s trajectory around a larger asteroid called Didymos.

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