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CfA Press Releases Weekly Science Updates 2013 2012 2011 2010 2009 2008 2007 2006 Other News Features All News	Weekly Science Update The Most Massive Distant Object Known The most massive known object in the young universe, a galaxy cluster dubbed SPT-CLJ2106-5844, is also a probe of conditions in the young universe. This image combines optical and infrared images with intensity contours from the Chandra X-ray Observatory. Low Resolution Image (jpg) Back to Science Update
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