Hubble sees strange changes in asteroid dust after DART spacecraft smashes up

The famous Hubble Space Telescope tracked dramatic hour-by-hour changes in deep space caused by a NASA probe’s deliberate asteroid crash.

NASA’s Double Asteroid Redirection Test (DART) mission slammed into a small space rock called Dimorphos in late September 2022, aiming to test-drive a technique to divert an asteroid on a collision course with Earth. (There are no imminent asteroid threats to our planets, but practice makes perfect.)

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