• #spaceporn

    Astronomers Find "Dark Flow" Sucking Matter Out of the Universe

    There is a force called "dark flow" that exists outside our universe, and it's tugging several galaxy clusters at 2 million mph toward an empty spot in space between Centaurus (pictured) and Vela. This isn't like dark matter, which exerts a more localized pull: Dark flow is a force that's operating at a universe level to push enormous chunks of matter around. Writing in Astrophysical Journal Letters, a group of astronomers say that this dark flow comes from a place where constants like time don't exist — nor do stars and galaxies. More »