NASA Testing its Planetary Defense Plan by Smashing a Spacecraft into an Asteroid

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Nasa controllers will purposefully crash their $330 million Dart robot spacecraft into an asteroid

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The mission’s simple goal is to teach space engineers how to divert asteroids in the event that one is ever detected headed directly for Earth

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Dimorphos, the target of Dart, has a diameter of 160 meters and orbits its parent asteroid once every 12 hours

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The asteroid will subsequently be examined by telescopes on Earth to determine how its orbit has changed.

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