But by mapping the tiniest of temperature fluctuations in the CMB, first done by the Cobe satellite in 1991, astronomers can "see" the distribution of matter in the early Universe.

BBC: Pictures of the early Universe

Ronney Nanney of Cedar Hill, Texas, has been beta-testing the Seasonal Savings program, making meticulous measurements of temperature fluctuations.

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Another anomaly of these results is that temperature fluctuations are not uniform across the sky map.

CNN: Better 'baby picture' of universe emerges