Submitted by taracus t3_ygfptx in askscience
MrMojorisin521 t1_iu9jet2 wrote
Reply to comment by gnorty in Is dark matter orbiting galaxies with the same speed as normal matter? by taracus
In breaking up upon collision probably. Like two cars smashing into each other and deforming.
[deleted] t1_iu9qc2t wrote
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