A team of astronomers has discovered a unique system of stars inside our Milky Way Galaxy. This cluster, named UMa3/U1, is the dimmest star system ever discovered in our Galaxy. But looking at this system, scientists are not able to decide whether it is a star cluster or a small galaxy itself? This system, named Ursa Major III/Unions 1 (UNMa3/U1), is very faint and full of old stars. These stars are located at a distance of 30 thousand light years from the Earth in the direction of the Ursa Major…
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