The exciting discovery of an extremely rare quadruple star system could significantly advance our understanding of brown dwarfs, astronomers say. These mysterious objects are too big to be considered ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of a quadruple star system with two "failed star" brown dwarfs and two stars . | ...

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An artist's impression of the UPM J1040−3551 system against the backdrop of the Milky Way as observed by Gaia. On the left, UPM J1040−3551 Aa & Ab appears as a distant bright orange dot, with an inset ...