Hubble detects several dozen boulders have broken off of DART mission target asteroid (hubblesite.org)

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The DART (Double Asteroid Redirection Test) spacecraft impact on asteroid Dimorphos happened on September 26, 2022. Astronomers using the Hubble Space Telescope continue following the aftermath of the cosmic collision. A surprise is the discovery of several dozen boulders lifted off the asteroid after the smashup. In Hubble pictures they look like a swarm of bees very slowly moving away from the asteroid. This might mean that smacking an Earth-approaching asteroid might result in a cluster of threatening boulders heading in our direction.

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this post was submitted on 20 Jul 2023

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