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  1. NASA Asteroid Collision Debris May Be Headed Toward Earth

    NASA Asteroid Collision Debris May Be Headed Toward Earth

    90
  2. NASA’s DART: Crashing Into Discovery With World’s First Planetary Defense Test

    NASA’s DART: Crashing Into Discovery With World’s First Planetary Defense Test

    44
  3. Can We Actually Stop an Asteroid from Destroying Earth?

    Can We Actually Stop an Asteroid from Destroying Earth?

    17