NASA's Transiting Exoplanet Survey Satellite, better known as TESS, made an early discovery of "super-Earth" and "hot Earth" planets in solar systems at least 49 light-years away, marking the satellite's first discovery since its April launch. TESS is on a two-year, $337 million mission to expand astronomers' known catalog of so-called exoplanets, worlds circling distant stars. While the two planets are too hot to support life, TESS Deputy Science Director Sara Seager expects many more such discoveries.
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