Dark matter finds its way through powerful (and complex) collisions of galaxy clusters
When you buy through links in our articles, Future and its syndication partners may earn commission. An illustration of MACS J0018.5’s colliding galaxies racing between dark matter (blue) and normal matter (orange). | Credit: WM Keck Observatory/Adam Makarenko By observing a distant and complex collision of galaxy clusters, astronomers have discovered that the most mysterious… Read More »