IIA study sheds light on curious case of missing dark matter in a distant galaxy

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A team of researchers has just shown the existence of a new galaxy that is very deficient in black matter and has characteristics very similar to other galaxies that are poor in black matter already identified (DF2 and DF4). These common characteristics indicate the existence of a class of galaxies lacking in black matter so far unrecognized. The study is published in Astronomy&Astrophysics. The discovery of ultra-diffuse galaxies (UDGs) that ar…