The LARGEST Known Structure in the Universe
Hey Space Placers!
Yesterday I blogged on the biggest spiral galaxy known. Today it is the LARGEST known structure in the Universe.
Spanning some 4 BILLION light years, the structure is known as a Large Quasar Group or LQG. Quasars - active and super luminous centers of galaxies powered by black holes - are known to exist at the center of most galaxies and have been found to congregate in groups since about 1982.
What makes this LQG so large is the linear dimension that spans such a large distance and encompasses 73 quasars.
Read the original paper http://mnras.oxfordjournals.org/content/early/2013/01/07/mnras.sts497.full
Sky Guy in VA
Yesterday I blogged on the biggest spiral galaxy known. Today it is the LARGEST known structure in the Universe.
Spanning some 4 BILLION light years, the structure is known as a Large Quasar Group or LQG. Quasars - active and super luminous centers of galaxies powered by black holes - are known to exist at the center of most galaxies and have been found to congregate in groups since about 1982.
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Artist Rendition of a Very Distant Quasar ESO |
Read the original paper http://mnras.oxfordjournals.org/content/early/2013/01/07/mnras.sts497.full
Sky Guy in VA
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