JWST Detects Hydrogen Atmosphere and Volcanic Activity on Lava Exoplanet 55 Cancri e

AI-generated NewsSnap summary based on source reporting.
Published: 2026-07-16
Category: science
Source: ScienceDaily
Original source

New observations from the James Webb Space Telescope have revealed unprecedented details about the scorching lava planet 55 Cancri e. Data suggests the exoplanet possesses a hydrogen-rich atmosphere, likely formed from gases escaping its molten interior. Evidence also points to volcanic outgassing, which could create temporary clouds, offering a rare glimpse into the chemistry and evolution of extreme rocky exoplanets.

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