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Wednesday, October 26, 2011

Gigantic Loop of Black Holes and Neutron Stars

515840main_arp147_xray_optical_665 (1)
Arp 147 contains the remnant of a spiral galaxy (right) that collided with the elliptical galaxy on the left. This collision has produced an expanding wave of star formation that shows up as a blue ring containing in abundance of massive young stars. These stars race through their evolution in a few million years or less and explode as supernovas, leaving behind neutron stars and black holes.

Read More: http://www.dailygalaxy.com/my_weblog/2011/10/exoanding-wave-of-star-formation-gigantic-loop-of-black-holes-and-neutron-stars.html

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