Helium Atmosphere Detected on Earth-like Exoplanet in Habitable Zone
TL;DR Summary
Astronomers report the first detection of an atmosphere on a rocky, Earth-like exoplanet in the habitable zone of a distant star: LHS 1140 b, located 48 light-years away. The gas confirmed so far is helium, likely in the upper atmosphere, with the possibility of other gases deeper down. While not evidence of life, the find marks a major step toward assessing whether Earth-like worlds could host life beyond our solar system.
- First atmosphere found around Earth-like planet LHS 1140b BBC
- Astronomers Find an Atmosphere on a Nearby Earthlike Planet The New York Times
- Earth-like exoplanet found to have an atmosphere The Guardian
- First atmosphere detected on a habitable-zone rocky world Center for Astrophysics | Harvard & Smithsonian
- Scientists Discover a Planet With the Most Earth-like Conditions Yet Time Magazine
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