Andromeda Galaxy. A modified law of gravity correctly predicted, in advance of the observations, the velocity dispersion -- the average speed of stars within a galaxy relative to each other -- in 10 dwarf satellite galaxies of the Milky Way's giant neighbor Andromeda. Credit: Bill Schoening, Vanessa Harvey/REU program/NOAO/AURA/NSF

Read more: http://www.upi.com/Science_News/2013/08/28/Modified-theory-of-gravity-makes-successful-galaxy-predictions/UPI-66001377729600/#ixzz30V6fZ0qN