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ALMA spots monstrous baby galaxies cradled in dark matter

6 December 2015 Astronomy Now

Astronomers using the Atacama Large Millimetre/submillimetre Array (ALMA) have discovered a nest of colossal baby galaxies 11.5 billion light-years away. The young galaxies seem to reside at the junction of gigantic filaments in a web of dark matter. These findings are important for understanding how enormous galaxies like these are formed and how they evolve into huge elliptical galaxies.