Hubble Space Telescope finds boulders potentially shaken off asteroid following DART experiment

The Hubble Space Telescope has found a swarm of boulders that were potentially shaken off the asteroid Dimorphos following NASA's Double Asteroid Redirection Test experiment last September. 

The 37 boulders range in size from three feet to 22 feet across, based on Hubble photometry. 

NASA says the space rocks are drifting away from the asteroid at little more than a half-mile per hour. 

The total mass in the detected boulders is about 0.1% the mass of Dimorphos.

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"This is a spectacular observation – much better than I expected. We see a cloud of boulders carrying mass and energy away from the impact target. The numbers, sizes and shapes of the boulders are consistent with them having ...