Thursday, May 29, 2014

ScienceDaily: Galaxies News

ScienceDaily: Galaxies News


The clumping behavior of galaxies

Posted: 28 May 2014 06:37 AM PDT

Active, supermassive black holes at the hearts of galaxies tend to fall into two categories: those that are hidden by dust, and those that are exposed. Data from NASA's Wide-field Infrared Survey Explorer, or WISE, have shown that galaxies with hidden supermassive black holes tend to clump together in space more than the galaxies with exposed, or unobscured, black holes.

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