22 October 2015

Big


The Copernican principle states that, on the large scale, the universe is homogenous and is nowhere special.  But it is reported that at least three phenomena call that into question:
A void almost 2 billion light years wide called the CMB coldspot. 
A structure strung out over 4 billion light years containing 73 quasars known as the Huge Large Quasar Group. 
A group of gamma-ray burst emitting galaxies that form a ring 5.6 billion light years across – 6% of the size of the entire visible universe.
Some physicists argue that these phenomena may be evidence for brane theory  the idea that what we perceive as our universe is a single four dimensional membrane floating in a sea of similar (mem)branes spanning multiple extra dimensions.

Image via Daily Galaxy

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