JWST Hints at Earth-like Atmosphere on Exoplanet TRAPPIST-1e
2025-09-14
New JWST observations of TRAPPIST-1e, an Earth-sized exoplanet 40 light-years away, suggest the presence of a gaseous envelope similar to Earth's. While the detection is ambiguous and requires further confirmation, it represents a significant step in the search for a second Earth. The findings hint at an atmosphere potentially rich in nitrogen, with traces of carbon dioxide and methane – a composition resembling Earth's. This exciting discovery offers new avenues for the search for extraterrestrial life.
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