Webb Space Telescope Reveals a Scorching “Super-Earth” that Looks Like Mercury
Researchers used Webb’s infrared data to find a dark basaltic surface and ruled out an Earth-like crust on the rocky exoplanet.
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James Webb Space Telescope: New study disclosed harsh condition of distant planets for first time
Scientists have finally managed to look past the clouds and study the actual surface of an alien planet, which is the first in exoplanet research. They used the James Webb Space Telescope to zero in on LHS 3844 b. It is a rocky world orbiting a star about 48.5 light-years from us. The findings, which were published in Nature Astronomy on May 4 (2026), are a big deal for anyone curious about what planets look like beyond our solar system. A plane…
Webb space telescope reveals a scorching “super-Earth” that looks like Mercury
A scorching, airless world just 48 light-years away is offering scientists a rare glimpse into the geology of distant planets. Using the James Webb Space Telescope, researchers studied LHS 3844 b—a tidally locked “super-Earth” with a permanent dayside hot enough to melt metal—and discovered it’s a dark, barren rock with no atmosphere.
The exoplanet LHS 3844 b has no atmosphere after new investigations with the James Webb telescope and is expected to be a hot hell due to its small distance to the star.
Until now, the tracking of exoplanets has focused on one obsession: finding air or water. But the James Webb Space Telescope (JWST) has just crossed a vertiginous course by inaugurating the era of interstellar geology. Nearly 48 light years away from the Earth, astronomers have managed to analyze the surface [...]
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