Light from the early universe

xantox, 28 December 2006 in Gallery

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Observation of the cosmic microwave background by COBE satellite (1990-1993).1 The cosmic microwave background is a background light in the microwave spectrum (below the infrared), present across all the sky, which was emitted about 14 billion years ago when the universe first became transparent shortly after the big-bang. The irregularities show structure formation in the embryo universe.

COBE map of the cosmic microwave background
Click image to zoom2

  1. Nobel Prize 2006 to John C Mather, George F Smoot []
  2. © NASA []

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