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The large binary asteroid Didymos poses no threat to Earth. But by crashing a probe into its moon, NASA will complete the world’s first full-scale planetary defense mission as a proof of concept.
While the chances of a large cosmic body striking our planet are small, the devastation would be enormous.
To test a plan that could one day save Earth from catastrophe.
To test a plan that could one day save Earth from catastrophe.
Crashing the 1,340-pound DART probe into the small moonlet orbiting the asteroid Didymos should redirect its trajectory – and could be a model for how to save Earth in the future.