Why does the asteroid Dimorphos leave a trail after impact?

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SUMMARY

The asteroid Dimorphos leaves a visible trail of debris after impact due to the effects of solar wind and light pressure, similar to the mechanisms that create comet tails. This phenomenon occurs despite the vacuum of space, where traditional air resistance does not apply. The interaction between the asteroid's surface material and solar radiation contributes to the formation of this trail, highlighting the dynamic processes at play in space environments.

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tech99
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TL;DR
Dimorphos seems to be leaving a trail of debris after the spacecraft impact. But why should the debris be left behind?
Pictures have appeared showing the asteroid Dimorphos following its impact with a spacecraft and showing a trail being left behind. On further consideration, this is taking place in a vacuum, so there is no air resistance. Why is the debris forming a trail behind the asteroid?
 
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tech99 said:
Why is the debris forming a trail behind the asteroid?
Just a guess, solar wind and light pressure makes tails, just like the tails of a comet.

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