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Hubble Space Telescope suggests our ancient universe was surprisingly crowded with supermassive black holes
Astronomers more specifically call these objects AGN, or active galactic nuclei, and they can significantly outshine the rest of their host galaxy. However, the infall rate of matter onto an AGN ...
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Astronomers measure 'warp speed' of Milky Way galaxy
It's usually the result of a variety of factors; a collision with another galaxy in the past is believed ... as well as the ...