Hubble watched Dimorphos after DART impacted it and watched as the debris eventually formed a long, twin-tailed stream.
The Hubble Space Telescope got in on the action and captured images several hours apart until about 18 days after the impact.
17 hours after the impact, the debris changes. In this second stage, the gravitational interactions between Didymos and Dimorphos start to distort the ejecta’s cone shape. Rotating, pin-wheeled features form, their rotation anchored to Didymos’ gravitational pull. After a few days, the Sun started to affect the debris. The Sun’s radiative pressure stretched the debris out into a comet-tail-like stream. Eventually, the stream split into two. Image Credit: NASA, ESA, STScI, J. Li
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