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IPFS News Link • Space Travel and Exploration

NASA To Crash Spacecraft Into Asteroid, Testing Earth's Planetary Defenses

• https://www.zerohedge.com, by Tyler Durden

On Nov. 23, the space agency plans to launch a spacecraft into Earth's orbit that will eventually slam into an asteroid about a year from now, hoping to alter the space rock's course. 

NASA is currently making launch preparations for the Double Asteroid Redirection Test (DART) spacecraft to be catapulted into Earth's orbit via a SpaceX Falcon 9 rocket on Nov. 23. 

NASA's Planetary Defense Officer Lindley Johnson wrote in a press release: 

"DART will be the first demonstration of the 'kinetic impactor' technique in which a spacecraft deliberately collides with a known asteroid at high speed to change the asteroid's motion in space.

"This technique is thought to be the most technologically mature approach for mitigating a potentially hazardous asteroid, and it will help planetary defense experts refine asteroid kinetic impactor computer models, giving insight into how we could deflect potentially dangerous near-Earth objects in the future."

Detecting potentially threatening NEOs is part of a larger-scale "planetary defense" program NASA plans to use the kinetic force of a spacecraft to deflect asteroids. It won't be as exciting as the 1998 sci-fi thriller "Armageddon," starring Bruce Willis, who landed a spacecraft on an asteroid headed to Earth and detonated a nuclear bomb, saving all of humanity. But the tiny, 1,200 pound DART will collide with a 4.5 billion-year-old asteroid, dubbed Dimorphos, measuring about 525 feet long, at 15,000 mph between Sept. 26 and Oct. 1, 2022.


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