Double Asteroid Redirection Test (DART) Mission

NASA's DART mission was a spacecraft built to test a "kinetic impactor" approach for diverting asteroids for planetary defence (in simplest terms means smashing a thing into another thing).

  • DART was the first space mission to ever show how an impactor may deflect an asteroid.
  • The spacecraft was launched in November 2021 with Dimorphos, a moonlet orbiting the bigger asteroid Didymos, as its target. Dimorphos is a 160-meter-wide asteroid.
  • On September 26, 2022, the DART spacecraft successfully crashed with Dimorphos, changing the asteroid's orbit by 33 minutes.
  • That was the first time that a celestial object in space had its ....
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