if you want to impress your friends U can drop these terms during happy hour - Dark flow, net motion of galaxy clusters, cosmic microwave background radiation, Kinematic Sunyaev-Zel'dovich effect, no-longer-visible regions of the universe prior to inflation, particle horizon, past light cone. On the serious side - this is an intriguing phenomena. - SnakeDoc

Depends on what kind of friends you have. Mine would slowly walk away if I started talking like that :P - LANjackal