View Full Version : Hubble Survey of Gravitational Lenses Yields Measure of Dark Matter in Distant Galaxi

2008-Jul-21, 12:50 PM
An international team of astronomers have compiled the largest-ever single collection of "gravitational lens" galaxies, and their survey yielded information on the masses of galaxies, including an inference of the amount of dark matter. Gravitational lensing occurs when two galaxies happen to aligned with one another along our line of sight in the sky. [...]

More... (http://www.universetoday.com/2008/07/21/hubble-survey-of-gravitational-lenses-yields-measure-of-dark-matter-in-distant-galaxies/)