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TRAPPIST-1 d: No Atmosphere, Habitable Hopes Dashed

8/14/2025

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Summary

Story summary

Astronomers have discovered that TRAPPIST-1 d, an exoplanet 40 light-years away, is devoid of an Earth-like atmosphere, as revealed by NASA's James Webb Space Telescope. While it shows promise for liquid water, it is no longer considered a habitable candidate. Attention will now shift to exploring the outer planets of the TRAPPIST-1 system.

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Story summary

Astronomers have discovered that TRAPPIST-1 d, an exoplanet 40 light-years away, is devoid of an Earth-like atmosphere, as revealed by NASA's James Webb Space Telescope. While it shows promise for liquid water, it is no longer considered a habitable candidate. Attention will now shift to exploring the outer planets of the TRAPPIST-1 system.