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Didymos is a binary asteroid system: a pair of innocent, lumpy rocks minding their very own enterprise as they spin via space. NASA’s DART mission crashed a spaceship into them on Sept. 26, 2022. The smaller asteroid within the system, referred to as Dimorphos, was the goal of a NASA mission to reveal its creating planetary protection strategies. Whereas Didymos will not be menace to Earth, this know-how may shield Earth from different space rocks which may be extra harmful.
What’s Didymos?
These 14 radar photographs present the near-Earth asteroid Didymos (65803) and its moonlet as seen by the Arecibo Observatory radio telescope in Puerto Rico in November 2003. (Picture credit score: NASA)
The pair of asteroids collectively are referred to as Didymos, however individually the 2 rocks are Didymos and Dimorphos. Didymos is a big asteroid round half a mile (2,560 ft or 780 meters) in size, whereas Dimorphos measures a mere 525 ft (160 m), in line with the Johns Hopkins University Applied Physics Laboratory (JHUAPL), the place the DART mission is predicated. In some earlier protection from House.com, Dimorphos has been known as Didymos’ moonlet or as “Didymoon.”