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Sodium and Potassium Signatures of Volcanic Satellites Orbiting Close-in Gas Giant Exoplanets

4 Feb 2020, 17:00 UTC
Sodium and Potassium Signatures of Volcanic Satellites Orbiting Close-in Gas Giant Exoplanets
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Apurva V. Oza et al 2019 ApJ 885 168
Though exomoons are usually too small to detect, observations of sodium and potassium gas in hot Jupiter atmospheres could be a signature of the geological activity venting from an otherwise hidden exo-Io.

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