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NASA’s TESS mission, which will survey the entire sky over the next two years, has already discovered three new exoplanets around nearby stars. Image: NASA's Goddard Space Flight Center, edited by MIT News

TESS discovers its third new planet, with longest orbit yet

Using NASA's Transiting Exoplanet Survey Satellite, scientists have discovered third small planet outside our solar system. Dubbed as HD 21749b, the planet orbits a bright, nearby...