LAG. “DM self-interactions transfer momentum between the cluster halos, so they lag behind the collisionless galaxies, leading to an offset between the DM and galaxies. Merging clusters also lead to constraints from the cluster surviving the merger.” (DM = dark matter).
https://lnkd.in/e6ifiQMn
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022