Galaxy cluster smash-up lets us observe dark matter on its own

Astronomers have spotted two colossal clusters of galaxies colliding and shooting out all of their dark matter, which may provide crucial evidence of how dark matter shapes the cosmos

​Astronomers have spotted two colossal clusters of galaxies colliding and shooting out all of their dark matter, which may provide crucial evidence of how dark matter shapes the cosmos Astronomers have spotted two colossal clusters of galaxies colliding and shooting out all of their dark matter, which may provide crucial evidence of how dark matter shapes the cosmos