TESS Finds Almost 100 Quadruple Star Systems

This is an artist's illustration of the quadruple star system 30 Arietis. Astronomers are discovering more quadruple star systems as observational power increases. Image Credit: Karen Teramura, UH IfA

NASA’s Transiting Exoplanet Survey Satellite (TESS) has found over 5000 candidate exoplanet candidates, and 197 confirmed exoplanets since its mission began in late 2018. TESS is good at finding exoplanets, but the spacecraft is a powerful scientific platform, and it’s made other discoveries, too. Scientists working with TESS recently announced 97 quadruple star candidates, nearly doubling the number of known quadruple systems.

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