NASA’s DART mission will smash spacecraft into a huge asteroid — here’s how to watch – National

As NASA prepares for the world’s first planetary defense mission, it invites the public to watch as one of its spacecraft attempts to deflect an asteroid. The DART spacecraft, short for Double Asteroid Redirection Test, lifted off from Vandenberg Space Force Base on a SpaceX Falcon 9 rocket last November in a $330 million project. …

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