How Space Telescopes Spotted an Exoplanet With a Possible Hydrogen-Rich Atmosphere

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How Space Telescopes Spotted an Exoplanet With a Possible Hydrogen-Rich Atmosphere

In September NASA's James Webb Space Telescope investigated an exoplanet 8.6 times as massive as Earth, and "revealed the presence of carbon-bearing molecules including methane and carbon dioxide." Webb's discovery adds to recent studies suggesting that [planet] K2-18 b could be a Hycean exoplanet...