First Giant Structures of the Universe
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 weighs in at around 800 trillion Suns, and holds hundreds of galaxies.![][1]
[1]: http://feeds.feedburner.com/~r/spaceref/jext/~4/ke-hYhJ8hmc
URL: http://feedproxy.google.com/~r/spaceref/jext/~3/ke-hYhJ8hmc/viewpr.rss.html