Swirls In The Oldest Light Of The Universe May Unearth Secrets About Cosmos’ Infancy

December 14, 2013 5:39 PM

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Swirls In The Oldest Light Of The Universe May Unearth Secrets About Cosmos’ Infancy

The scientists observed some twisting patterns in the polarization of the cosmic microwave background, the light that last interacted with matter more than 400,000 years after the Big Bang. These patterns, known as B modes, are caused by gravitational lensing, a phenomenon that occurs when the trajectory of light is bent by massive objects, much like a lens focuses light.

“The detection of B-mode polarization by South Pole Telescope is a major milestone, a technical achievement that indicates exciting physics to come,” lead researcher John Carlstrom of the University of Chicago said in a statement.

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