Astronomers have found evidence of a substellar companion — a low-mass brown dwarf or a giant planet — orbiting Roque 12, a member of the young stellar cluster Pleiades. An artist’s impression of the Roque 12 binary system in the Pleiades cluster. Image credit: Sci-News.com / NASA / ESA / AURA / Caltech. The Pleiades is an open star cluster about 440 light-years from Earth in the constellation of Taurus. Also known as the Seven Sisters...
