Episode
From Atmospheres to Surfaces: JWST’s New Exoplanet Breakthrough
- Podcast
- Bedtime Astronomy
- Published
- May 25, 2026
- Duration seconds
- 1928
- Processing state
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Summary
Using infrared observations from the James Webb Space Telescope, astronomers have inferred the surface composition of LHS 3844 b.The planet appears to be a hot, airless super-Earth with a dark, basaltic surface and no signs of Earth-like tectonics, likely covered in radiation-processed dust. The result marks a shift from studying exoplanet atmospheres to directly probing their geology. Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs. This episode includes AI-generated content.