“Asteroid, We’re Coming For You”: NASA Launches Mission, A First

'Asteroid, We're Coming For You': NASA Launches Mission, A First

A NASA mission to deliberately smash a spacecraft into an asteroid blasts off.

NASA has launched a mission to smash a spacecraft into an asteroid — a world’s first to test asteroid-deflecting technology. The space probe will crash into the asteroid to alter its speed and course.

“Asteroid Dimorphos: we’re coming for you!” the space agency tweeted today, along with a clip of the blast off.

The SpaceX Falcon 9 rocket carrying the DART (Double Asteroid Redirection Test) experiment lifted off at 10:21 pm Pacific Time from Vandenberg Space Force Base near California in the US, NASA TV’s livestream showed.

The goal is to slightly alter the trajectory of Dimorphos, a “moonlet” around 525 feet (160 meters, or two Statues of Liberty) wide that circles a much larger asteroid called Didymos (2,500 feet in diameter). The pair orbit the Sun together.

Impact is expected to take place in the fall of 2022, when the binary asteroid system is 6.8 million miles (11 million kilometers) from Earth, almost the nearest point they ever get.

The test is to find out if the technology is enough if an actual asteroid impact threat were detected in the future.

Traveling at about 15,000 mph, the spacecraft, which weighs 1,344 pounds and is 59 feet across, is to collide head-on with Dimorphos.

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