Monday, August 30, 2010

Galactic Cannibalization Sparks Powerful Radio Galaxies

August 30, 2010 - DiscoveryNews
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Now, imagine a time in the universe where those irregular galaxies were all around, and they fed the most powerful radio-emitting black holes. That is what a group of astronomers, led by Cristina Ramos Almeida, have imaged with one of the largest telescopes on Earth.
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It turns out, that when carefully imaged by the 8.1-meter Gemini telescope in Chile, most of these galaxies show weird shapes such as shells, tidal tails, multiple central nuclei, and other evidence of being the product of merging galaxies...