Research NewsAstronomy

Gap in Starbirth Picture Filled

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Science  30 May 1997:
Vol. 276, Issue 5317, pp. 1334
DOI: 10.1126/science.276.5317.1334

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New observations, combined with a new trick for estimating a galaxy's distance from its colors, show that starbirth peaked at about 12 times the current rate when the universe was about a third its current age. Because this peak is both higher and later than many astronomers had suspected, it's sending the theoreticians back to revise their models of galaxy formation.