NASA’s DART to Collide with Asteroid in 2022

NASA is planning to launch a spacecraft aboard a SpaceX Falcon 9 rocket that will hit a small moonlet in the binary asteroid system Didymos in September 2022.

  • The Double Asteroid Redirection Test (DART), NASA’s first mission to demonstrate a planetary defence technique, is scheduled to be launched in mid-2021.

Binary asteroid system

  • A moonlet is a small moon whereas a binary asteroid system is a system of two asteroids orbiting their common barycentre.

Barycentre

  • The barycentre is the centre of mass of two or more bodies that are orbiting each other which is the point around which they both orbit.
  • To ....

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