News of the WeekAstronomy

Deep-Space 'Filament' Shows Cosmic Fabric

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Science  01 Jun 2001:
Vol. 292, Issue 5522, pp. 1629-1631
DOI: 10.1126/science.292.5522.1629b

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Astronomers peering back to the early days of the universe have detected the primordial building blocks of galaxies. These cosmological Lego blocks--older and smaller than any detected before--are arranged in an elongated filament. The observations support a popular theory of cosmic evolution in which matter first collected into a network of thin filaments and later coalesced into clusters and superclusters.