Saturday 18 January 2020
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Cold Neptune and two Temperate Super-Earths found orbiting near stars

A cold Neptune and two possibly inhabitable worlds are part of a set of five newly found exoplanets and eight exoplanet candidates, who have found themselves orbiting nearby Red Zwilling Stars identified by a team led by Carnegie s Fabo Feng and Paul Butler in the Astrophysical Journal Supplement Series.The two potentially habitable planets are GJ180 and GJ229A, among the closest stars to the Sun, which makes them primary targets for space and land-based observations by the next generation of telescopes.Both are super-Earths with at least 7.5 and 7.9 times our planet s mass and orbital periods of 106 and 122 days respectively.The planet Neptune, which orbits GJ433 on a distance that is supposed to frozen surface water, is potentially the first of its kind to be a realistic candidate to future direct imaging. GJ 433 d is the nearest, widest, and coldest Neptune-like planet ever detected, Feng added.The newly found worlds were found using a radial speed technique for discovering ...

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