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After Alfa Centauro, Barnard It is the closest star to the Sun, at 5.9 light-years. It moves towards us at the approximate speed of 110 km / s, so it is estimated that in about 10,000 years it will approach up to 3.8 light years, becoming the closest of all.
It is located in the constellation of the Serpentarium, has a stellar magnitude of 9.5m and belongs to that type of stars called red dwarfs. It was discovered by E.E. Barnard in 1916 and, precisely because of its very rapid movement, has been called a projectile star. Specifically, it is calculated that in 170 years it moves in the celestial orbit in a stretch equivalent to the orbit of the Moon.
Recent studies have revealed a very small oscillatory movement of the Barnard star, which some astronomers attribute to the existence of two planets of Jupiterian dimensions that are in orbit around them.
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