Scientists Detect Cosmic 'Dark Flow' Across Billions of Light Years

Scientists Detect Cosmic 'Dark Flow' Across Billions of Light Years:




















WASHINGTON, Sept. 23 /PRNewswire-USNewswire/ -- Using data from NASA's Wilkinson Microwave Anisotropy Probe (WMAP), scientists have identified an unexpected motion in distant galaxy clusters. The cause, they suggest, is the gravitational attraction of matter that lies beyond the observable universe.