Does dark matter interact non-gravitationally at all? | by Ethan Siegel | Starts With A Bang! | Oct, 2024
This Hubble image of massive galaxy cluster MACS J1206 shows the arcing and smeared-out features caused by the gravitational light-bending of the foreground galaxy cluster. Small-scale concentrations of dark matter, represented in blue, have been reconstructed based on the lensing...

















