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Astronomers have discovered the largest known structure in the universe, a clump of active galactic cores that stretches 4 billion light-years from end to end.
The structure is a large quasar group (LQG), a collection of extremely luminous galactic nuclei powered by supermassive central black holes. This particular group is so large that it challenges modern cosmological theory, researchers said.
Space.com Article
Originally posted by Wide-Eyes
reply to post by Phantasm
4Billion lightyears eh? We're going to need a bigger telescope.edit on 11-1-2013 by Wide-Eyes because: (no reason given)
Originally posted by Wide-Eyes
reply to post by merkins
Who said anything about kilometers?
Originally posted by MystiqueAgent
I just want to say I love those pictures and would love to see something like that with my own eyes instead of artists impressions. Even though they are just as good something of that scale I feel can only be fully admired with one's own eyes.