Submitted by taracus t3_ygfptx in askscience
Putnam3145 t1_iuayg6d wrote
Reply to comment by PM_Me_Frosted_Tits in Is dark matter orbiting galaxies with the same speed as normal matter? by taracus
Interstellar medium undergoes more friction than our observations would allow.
PM_Me_Frosted_Tits t1_iub1rf9 wrote
Meaning we'd see something in the Infrared range because of heat produced during friction?
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