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New low-mass objects could help refine planetary evolution

27 September 2016 Astronomy Now

Astronomers like to find rotating primordial discs of gas and dust around young stars from which planets can form. They might be able to catch the star partway through the planet-formation process, but it’s highly unusual to find such discs around brown dwarfs or stars with very low masses. Now, recent work reveals four new low-mass objects surrounded by discs.