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Sloan Digital Sky Survey III

Two Heads Are Better Than One

20 Mar 2012, 15:42 UTC
Two Heads Are Better Than One

In 1972, a young astronomer predicted that moving clusters of galaxies would leave a subtle imprint on the cosmic microwave background radiation - but he had no way to check his prediction. Forty years later, another young astronomer has proved him right - by combining data from two huge international astronomy collaborations.

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