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Hubble study helps explain the heyday of galaxy formation
The Hubble Space Telescope still isn't done giving up secrets of the early universe. Researchers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered that a patch of 10 billion-year-old galaxies in Hubble's Ultra Deep Field view holds gas that helps explain the "Golden Age" of galaxy and star formation. This first completely "blind" (that is, not expecting anything) 3D millimeter wavelength search of the old universe turned up galaxies with an abundance of carbon monoxide, a hint that they were rich in the molecular gas key to creating stars.
