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Nov 20, 2025 · NASA’s Transiting Exoplanet Survey Satellite (TESS) completed its two-year primary mission and continues its search for new worlds. Learn about some of TESS’s most interesting …

With TESS, it is possible to study the mass, size, density and orbit of a large cohort of small planets, including a sample of rocky planets in the habitable zones of their host stars.

TESS monitors millions of stars for temporary drops in brightness caused by planetary transits. This first-ever spaceborne all-sky transit survey has identified planets of all sizes.

Mar 26, 2026 · We've added data for three new planets—all hot Jupiters (orbiting M dwarfs!) discovered by NASA's TESS—and new spectra for three planets, including one of the coldest exoplanets …

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TESS, the Transiting Exoplanet Survey Satellite, is a NASA mission to discover Earth-size worlds around nearby stars. Promising planets found by TESS will be studied by future telescopes to …

The Transiting Exoplanet Survey Satellite (TESS) is an Explorer-class planet finder. In the first-ever spaceborne all-sky transit survey, TESS will identify planets ranging from Earth-sized to gas giants, …

TESS was designed as a high precision photometer and not as an imager, as such the photometric stability and minimization of noise was more important than a compact point spread function (PSF).

The Transiting Exoplanet Survey Satellite (TESS) is an MIT-led NASA mission designed to discover transiting exoplanets by an all-sky survey. TESS has four identical, highly optimized, red-sensitive, …