Kapteyn's Star

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Kapteyn's Star is a nearby red dwarf star only about 12.83 light-years away in the constellation Pictor. In 2014, at 11 billion years old, it is once considered to be one of the oldest planetary systems ever upon the discovery of its two superterran planets, one of which was even considered potentially habitable. However, upon reanalysis of the star's rotation period in 2021, the existence of both planets were disproven upon realizing the detected planet signals were actually stellar activity

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