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The universe is a fascinating place – a vast cosmic void home to all kinds of strange and spellbinding things. Black holes. Neutron stars. White dwarfs.

  New research shows that during the early universe cosmic filaments ferried cold gas and embryonic, node-shaped galaxies to a dark matter halo, where it all clumped together to form massive galaxies. The larger the galaxy, the more cold gas it needs to coalesce and to grow from a source of cold molecular gases totaling as much as 100 billion times the mass of our sun. “Where,” asked University of Iowa astronomers in a new study, “did these early, super-sized galaxies get that much cold gas when they were hemmed in by hotter surroundings?” Dark-Matter Halo Reservoir New observational...

Researchers Detect Cold Gas Pipelines Feeding Early, Massive Galaxies Details Share This To come into being, galaxies require cold gas to undergo gravitational collapse. The larger the galaxy, the more cold gas it needs to coalesce and to grow. To come into being, galaxies require cold gas to undergo gravitational collapse. The larger the galaxy, the more cold gas it needs to coalesce and to grow. Massive galaxies found in the early universe needed a lot—a store of cold molecular gases totaling as much as 100 billion times the mass of our sun. But where did these...