Young Black Hole Had Monstrous Growth Spurt http://j.mp/1AG34Va

Young Black Hole Had Monstrous Growth Spurt http://j.mp/1AG34Va:

via Twitter http://j.mp/17L5fpo

http://j.mp/OLW8el

from my Tumblr http://j.mp/1BqHIfi

February 28, 2015 at 08:02PM