Astronomers Find Giant Structures From the Early Universe

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An infrared/optical representative-color image of a massive galaxy cluster located 7 billion light-years from Earth. Credit: Infrared Image: NASA/JPL-Caltech/M. Brodwin (Harvard-Smithsonian CfA) Optical Image: CTIO Blanco 4-m telescope/J. Mohr (LMU Munich)

Looking back to when our [Universe][3] was about half the age it is now, [astronomers][4] have discovered the most massive [galaxy][5] cluster yet seen at so great a distance. The researchers say that if we could see it as it appears today, it would be one of the most massive galaxy clusters in [the universe][3]. The cluster, modestly named SPT-CL J0546-5345, weighs in at around 800 trillion Suns, and holds hundreds of [galaxies][5]. “This [galaxy cluster][6] wins the heavyweight title,”said Mark Brodwin, from the Harvard-Smithsonian Center for [Astrophysics][7]. “This cluster is full of ‘old’ galaxies, meaning that it had to come together very early in the universe’s history – within the first two billion years.”

(…) Read the rest of [Astronomers Find Giant Structures From the Early Universe][8] (438 words)

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(C) nancy for [Universe Today][9], 2010. | [Permalink][8] | [2 comments][10] | Add to [del.icio.us][11] Post

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[1]: http://www.universetoday.com/wp-content/uploads/2010/10/cfa-image-580×580.jpg (An infrared/optical representative-color image of a massive galaxy cluster located 7 billion light-years from Earth. Credit: Infrared Image: NASA/JPL-Caltech/M. Brodwin (Harvard-Smithsonian CfA) Optical Image: CTIO Blanco 4-m telescope/J. Mohr (LMU Munich)) [2]: http://www.universetoday.com/wp-content/uploads/2010/10/cfa-image.jpg [3]: http://www.universetoday.com/36425/the-universe/ () [4]: http://www.universetoday.com/74522/astronomer/ () [5]: http://www.universetoday.com/30168/galaxies/ () [6]: http://www.universetoday.com/30522/galaxy-cluster/ () [7]: http://www.universetoday.com/50818/astrophysics/ () [8]: http://www.universetoday.com/75615/astronomers-find-giant-structures-from-the-early-universe/ [9]: http://www.universetoday.com [10]: http://www.universetoday.com/75615/astronomers-find-giant-structures-from-the-early-universe/#comments [11]: http://del.icio.us/post?url=http://www.universetoday.com/75615/astronomers-find-giant-structures-from-the-early-universe/&title=Astronomers Find Giant Structures From the Early Universe [12]: http://www.universetoday.com/tag/galaxy-clusters/ [13]: http://www.universetoday.com/tag/south-pole-telescope/ [14]: http://planetozh.com/blog/my-projects/wordpress-plugin-better-feed-rss/ [15]: http://planetozh.com/blog/ [16]: http://feedads.g.doubleclick.net/~a/5LFZscojfviPKGoUWonqHCdP32k/0/di [17]: http://feedads.g.doubleclick.net/~a/5LFZscojfviPKGoUWonqHCdP32k/0/da [18]: http://feedads.g.doubleclick.net/~a/5LFZscojfviPKGoUWonqHCdP32k/1/di [19]: http://feedads.g.doubleclick.net/~a/5LFZscojfviPKGoUWonqHCdP32k/1/da [20]: http://feeds.feedburner.com/~ff/universetoday/pYdq?d=yIl2AUoC8zA [21]: http://feeds.feedburner.com/~ff/universetoday/pYdq?a=OyPmKxedRmE:N44NU7enyww:yIl2AUoC8zA [22]: http://feeds.feedburner.com/~ff/universetoday/pYdq?d=dnMXMwOfBR0 [23]: http://feeds.feedburner.com/~ff/universetoday/pYdq?a=OyPmKxedRmE:N44NU7enyww:dnMXMwOfBR0 [24]: http://feeds.feedburner.com/~ff/universetoday/pYdq?d=7Q72WNTAKBA [25]: http://feeds.feedburner.com/~ff/universetoday/pYdq?a=OyPmKxedRmE:N44NU7enyww:7Q72WNTAKBA [26]: http://feeds.feedburner.com/~ff/universetoday/pYdq?i=OyPmKxedRmE:N44NU7enyww:D7DqB2pKExk [27]: http://feeds.feedburner.com/~ff/universetoday/pYdq?a=OyPmKxedRmE:N44NU7enyww:D7DqB2pKExk

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