Weighing the Milky Way: Researchers devise precise method for calculating the mass of galaxies

Does the Milky Way look fat in this picture? Has Andromeda been taking skinny selfies? Using a new, more accurate method for measuring the mass of galaxies, and international group of researchers has shown that the Milky Way has half the Mass of the Andromeda Galaxy.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/N...