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Astronomers shed light on different galaxy types

14 September 2016 Astronomy Now

Australian scientists have taken a critical step towards understanding why different types of galaxies exist throughout the universe. The research means that astronomers can now classify galaxies according to their physical properties rather than human interpretation of a galaxy’s appearance.

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Study explains why galaxies stop creating stars

9 July 2016 Astronomy Now

The processes that cause galaxies to cease star formation are not well understood and constitute an outstanding problem in the study of the evolution of elliptical, spiral (such as the Milky Way) and irregular galaxies. Now, using a large sample of around 70,000 galaxies, a team of researchers may have an explanation for why some stop creating stars.