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Nasa Is Building Satellites To Deflect Asteroids From Earth Impact

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The risk of humanity going extinct due to a large asteroid hitting the Earth is small, but large enough to be worth worrying about. And now its latest project, the Double Asteroid Redirection Test (or DART for short), has just been moved from the "concept development" phase to the "preliminary design" phase. DART is a fridge-sized spacecraft that uses what its engineers are calling the "kinetic impactor technique" - a fancy name for a process not unlike how snooker balls behave. "DART is a critical step in demonstrating we can protect our planet from a future asteroid impact," said Andy Cheng, who is co-leading the DART investigation at the Johns Hopkins Applied Physics Laboratory. http://feedproxy.google.com/~r/techra... http://www.wochit.com This video was produced by YT Wochit Tech using http://wochit.com

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asteroid Earth NASA Andy Cheng DART Asteroid Outer Space AIDA Impactor Asteroid Impact Avoidance Snooker
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