The new date is Sep 26, 2022.

NASA hopes to stop dangerous asteroids from threatening Earth by using a technique called Double Asteroid Redirection Test.

Asteroid Strike-Explainer

The Italian Space Agency's LICIACube is depicted in this illustration.

Associated Press

The DART craft crashed into Dimorphos, which is 525 feet wide, at a speed of roughly 14,000 miles per hour in order to change the asteroid's position.

LICIACube was rigged with cameras to record the test and witnessed Monday's crash.

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The ideal candidate for the first planetary defense experiment was dimorphos. It is easy to observe from Earth because it is around a larger Sun-orbiting atmosphere.

Big Number

$330 million is the total amount of money. The total cost of the DART program is a relative bargain compared to other NASA programs.

The mission is designed to help prevent potentially catastrophic asteroids from careening toward Earth by crashing into a space rock. DART tested a technique in which an asteroid is diverted away from the planet by colliding with a human-produced object. Some of the asteroids that are tracked by NASA are decades or even a century away from the planet. There is no known asteroid that is larger than 140 meters that poses a significant threat to the planet over the next 100 years.

Tangent

The most well-developed method for redirecting asteroids is the one that scientists have come up with. A spaceship could fly alongside an asteroid and use its gravity to move it. Using a nuclear weapon to destroy an asteroid may have worked for Bruce Willis, but some experts fear explosives could break an asteroid into pieces that are still large enough to hit Earth, and NASA says asteroids move far too quickly to destroy.

NASA is going to crash a space craft into an asteroid for science. There is a magazine called "Forbes."