When two monumental clusters of galaxies collided billions of years in the past, their darkish matter shot proper out of them, forsaking the fuel and stars that made up the stays of the clusters. Understanding this course of might assist us work out the character of darkish matter and its results on the universe.
Clashes between galaxy clusters are tough to watch. We now have to catch the collisions at precisely the correct time, and on the proper angle with respect to Earth, to…