On Monday [Sept. 26]at 4:13 p.m. (Arizona time), more than 7 million miles away, NASA’s DART mission, Double Asteroid Redirection Test, successfully slammed into the asteroid Dimorphos, making history as the first step toward a possible future planetary defense strategy (NAU Review, Sept. 28).
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For asteroid scientists, their work is just beginning.
By design, the crash occurred when the asteroids were fairly close to Earth.
That allowed telescopes on Earth to get a good look. About 40 of them were pointed at… Read more