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Webb's on the case 🔎

Webb found hints of water vapor while studying rocky exoplanet GJ 486 b. Scientists are puzzled whether this could be due to spots on its star, or if this could indicate the 1st atmosphere definitively detected around a rocky world: https://go.nasa.gov/41K2Ahj
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Webb Finds Water Vapor, But From a Rocky Planet or Its Star?

Astronomers used NASA’s James Webb Space Telescope to study a rocky exoplanet known as GJ 486 b, and their observations using Webb’s Near-Infrared Spectrograph (NIRSpec) show hints of water vapor.
Jessica Evans (NASA)
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