Research NewsAstronomy

Did Galaxies Bloom in Clumps?

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Science  23 Jan 1998:
Vol. 279, Issue 5350, pp. 479
DOI: 10.1126/science.279.5350.479a

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Govert Schilling WASHINGTON, D.C.-- The beginnings of the great clusters and walls of galaxies seen in today's universe may date back practically to the big bang. By searching the neighborhood of distant quasars, astronomers have found that nearly every one has a fuzzy companion galaxy or two. These small gatherings in the infant universe, according to the researchers, are possibly cores of future rich clusters of galaxies, challenging the notion that the clumpiness of today's universe emerged fairly recently.