Massive Early Galaxy Cluster Observed

Cambridge, MA (SPX) Oct 20, 2010 ![][1] Astronomers using the South Pole Telescope report that they have discovered the most massive galaxy cluster yet seen at a distance of 7 billion light-years. The cluster (designated SPT-CL J0546-5345) weighs in at around 800 trillion Suns, and holds hundreds of galaxies. “This galaxy cluster wins the heavyweight title. It’s among the most massive clusters ever found at this distance,” said

[1]: http://www.spacedaily.com/images/infrared-optical-representative-color-image-massive-galaxy-cluster-bg.jpg

URL: http://www.spacedaily.com/reports/Massive_Early_Galaxy_Cluster_Observed_999.html

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