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Scientists made models for TRAPPIST-1 b: with an atmosphere and without. @NASAWebb's measurements matched the model for a planet without atmosphere. This bodes well for Webb's ability to study temperate, Earth-size planets, like other TRAPPIST-1 worlds. 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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