『TRAPPIST-1e - Unraveling an Exoplanet's Ocean Potential』のカバーアート

TRAPPIST-1e - Unraveling an Exoplanet's Ocean Potential

TRAPPIST-1e - Unraveling an Exoplanet's Ocean Potential

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 Recent research using the James Webb Space Telescope (JWST) has focused on the exoplanet TRAPPIST-1e, an Earth-sized world that orbits a red dwarf star and is located in the habitable zone. Scientists are investigating the presence of an atmosphere, which is crucial for the existence of liquid water on its surface, whether as a global ocean or vast areas of ice. While initial results suggest the possibility of an atmosphere, researchers have ruled out the existence of a primordial hydrogen-based atmosphere. Instead, the presence of a secondary atmosphere containing greenhouse gases, such as carbon dioxide, could keep the planet warm and make liquid water possible, despite the unique characteristics of the TRAPPIST-1 system. Future JWST observations will continue to refine our understanding of this and other exoplanets.
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