What happened to NASA’s DART?

The Double Asteroid Redirection Test probe, known as DART, is programmed to head toward a tiny rock millions of miles from Earth and then collide with it. Just under nine minutes after launch, the booster that launched DART into space returned to Earth, landing on a droneship in the Pacific Ocean .

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Why is NASA DART important?

DART is the first planetary defense mission to test a method of deflecting an asteroid on course to hit Earth. The threat from asteroid impacts is small, but real — and preventable. Missions like DART are essential to help us understand how to stop dangerous asteroids .

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How big is the asteroid in 2021?

The CNEOS estimates that the asteroid measures between 328 and 754 feet in diameter based on its observed magnitude. At the time of its close approach, the object will be traveling at around 34,700 miles per hour, which is about one-fifth as fast as a bolt of lightning.8 Ara 2021

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