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Tech Tuesday: NASA's DART mission

 Double Asteroid Redirection Test, satellite and asteroids
Johns Hopkins APL/Steve Gribben
lustration of NASA’s DART spacecraft and the Italian Space Agency’s (ASI) LICIACub

An uncrewed spacecraft smashed into an asteroid last week in an effort to deflect the space rock.

It was the culmination of the Double Asteroid Redirection Test, or DART, a NASA mission meant to test the feasibility of altering the orbit of an asteroid by crashing something into it.

The mission was a success. In the future, this technique could be used to prevent a future asteroid from colliding with Earth.

Today on All Sides with Ann Fisher, we are taking a look at the DART mission and why NASA is looking into planetary defense. Plus, a discussion on content oversight on social media and the new Pixel phone.


  • David Barnhart, Professor of Astronautics, University of Southern California
  • Elizabeth Dwoskin, Reporter, Washington Post
  • Russell Holly, Managing Editor for Commerce at CNET

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