A spacecraft smashed into an asteroid this evening. No worries, that’s what it was supposed to do. NASA’s Double Asteroid Redirection Test, or DART, tested whether the kinetic energy imparted during a collision could change an asteroid’s orbit. This asteroid, Dimorphos, the tiny moon of another asteroid, Didymos, poses no threat to Earth, but asteroids have plagued our planet in the past and this could be a method for deflecting them in the future.
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Last Updated: Sep 26, 2022 11:44 pm ET