🔬 Science Aug 11, 2026 · Isabelle Dumé

Transit-based exoplanet survey finds its first microlensing exoplanet

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Transit-based exoplanet survey finds its first microlensing exoplanet
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NASA’s Transiting Exoplanet Survey Satellite (TESS) mission has notched up its first discovery of an exoplanet via a method known as microlensing. The planet is a “super Jupiter” known as Gaia23bra b, and TESS observed it when the planet and its host star acted as a gravitational lens, magnifying the light from a second, more distant background star.
Astronomers have several ways of finding planets beyond our solar system. The most successful of these by far – and the one that TESS was designed

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