NASA spacecraft will crash into an asteroid at 15,000 mph. Will it make a dent?
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NASA's DART mission will crash a spaceship into an asteroid at 15,000 mph. The mission launched in November.NASA spacecraft will crash into an asteroid at 15,000 mph. Will it make a dent?
NASA's DART mission will crash a spaceship into an asteroid at 15,000 mph. The mission launched in November. Read more