Watch live coverage from NASA TV as the Double Asteroid Redirection Test, or DART, heads toward asteroid Didymos and crashes into its moonlet Dimorphos in a test to try and alter the trajectory of the moonlet.
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Watch live coverage from NASA TV as the Double Asteroid Redirection Test, or DART, heads toward asteroid Didymos and crashes into its moonlet Dimorphos in a test to try and alter the trajectory of the moonlet.
» Subscribe to NBC News:…