A mysterious cold spot in the cosmic microwave background could be a cosmic defect called a “texture” that was left over from the aftermath of the Big Bang, according to physicists in Spain and the UK. If confirmed, the existence and properties of such a spot would provide physicists with a unique window on the early universe and allow them to test different theories for the unification of the fundamental forces of nature (Science DOI: 10.1126/science.1148694).
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