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Primordial Cold Spot Caused By Supervoid | IFLScience -
"Scientists have puzzled over a curious cold spot that appeared in maps of the earliest light emitted in the universe. At first, this relic of the Big Bang was thought to be a sign of some cosmic collision, but according to new work, the cold spot appears to be a giant void -- the biggest known hole in the universe, New Scientist reports." ‎· silpol