Dark matter makes its way through powerful (and messy) collisions of galaxy clusters
When you buy through links in our articles, Future and its syndication partners may earn a commission. An illustration of the colliding galaxies of MACS J0018.5, with the dark matter (blue) rushing past the normal matter (orange). | Credit: WM Keck Observatory/Adam Makarenko Astronomers have observed a distant and messy collision between galaxy clusters and … Read more