Translate

Showing posts with label When galaxies eat galaxy. Show all posts
Showing posts with label When galaxies eat galaxy. Show all posts

Tuesday, October 16, 2012

When galaxies eat galaxy


Using gravitational lensing, Astronomers University of Utah (USA) found that the center of massive galaxies will ultimately become denser than normal galaxies.

"We found that over the past 6 billion years matter making massive elliptical galaxies, gaining a greater concentration in their centers. This is evidence that large galaxies collide with each other in order to create an even greater - says astronomer Adam Bolton, Lead author of the work.