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Astronomers explore the surface composition of a nearby super-Earth

phys.org·Max Planck Society·29 days ago
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This high-resolution photo of the planet Mercury probably resembles the rocky exoplanet LHS 3844 b. Results from JWST observations favor an airless rocky planet with a dark, basalt-like surface, likely space-weathered by irradiation and meteorite impacts. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington (cropped) https://science.nasa.gov/photojournal/mercury-globe-0n-180e/ Using MIRI (Mid-Infrared Instrument) on board the James Webb Space Telescope (JWST), a team of researchers led by former MPIA (Max Planck Institute for Astronomy, Heidelberg, Germany) Ph.D. student Sebastian Zieba (Center for Astrophysics | Harvard & Smithsonian, Cambridge, U.S.) and Laura Kreidberg, MPIA Director and study PI (principal investigator), analyzed the surface composition of the rocky exoplanet LHS 3844 b.…

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