Simulation of the formation of a galaxy similar to our Milky Way. Massive black holes lurk in the centers of many of the building blocks that merge to assemble the galaxy, and a black hole also ... more 
Simulation of the formation of a galaxy similar to our Milky Way. Massive black holes lurk in the centers of many of the building blocks that merge to assemble the galaxy, and a black hole also inhabits the final galaxy. less 
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SPACE.com | Photo By Jillian Bellovary, Fabio Governato
Thu, Aug 2, 2012 3:12 PM EDT