L. Cortese, B. Catinella, S. Janowiecki. ALMA Shows that Gas Reservoirs of Star-forming Disks over the Past 3 Billion Years Are Not Predominantly Molecular. The Astrophysical Journal Letters, October 2017
Astronomers have shed fresh light on the importance of hydrogen atoms in the birth of new stars. Only hydrogen molecules are thought to directly fuel star formation but research published shows there are more hydrogen atoms than molecules even in young galaxies that are making a lot of stars. Astrophysicist Dr Luca Cortese, from The University of Western Australian node of the International Centre for Radio Astronomy Research, said new stars are constantly forming in the Universe. “New stars are born in dense clouds of gas and dust that are found in most galaxies,” he said...
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