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  1. Nasa dart mission to an asteriod ( Offical mission trailer )

    Nasa dart mission to an asteriod ( Offical mission trailer )

    10
  2. Asteroids Could Be Deflected Using X-rays From Nuclear Weapons

    Asteroids Could Be Deflected Using X-rays From Nuclear Weapons

    40
  3. Targeting Tuesday, August 27 for launch of Polaris Dawn

    Targeting Tuesday, August 27 for launch of Polaris Dawn

    17