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Seven Earth-sized worlds orbit the TRAPPIST-1 star, ~40 light-years away. @NASAWebb studied the innermost planet and measured its temperature and found little evidence of an atmosphere. These observations bode well for studying the rest of the planets: https://go.nasa.gov/42VAWiu
#NASAExoplanets

Webb Measures the Temperature of a TRAPPIST-1 Exoplanet

An international team of researchers has used NASA’s James Webb Space Telescope to measure the temperature of the rocky exoplanet TRAPPIST-1 b.
Exoplanet Exploration: Planets Beyond our Solar System
#NASAExoplanets

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