Helium Clues Hint at Earth-like Atmosphere on Distant World LHS 1140b
TL;DR Summary
New observations of exoplanet LHS 1140b—a nearby super-Earth—hint at a helium-rich upper atmosphere and possible Earth-like conditions, based on helium-loss signals observed by Cherubim and colleagues. At ~49 light-years away, orbiting a dim red dwarf with a ~25-day period, direct observations are unlikely for now, but if confirmed the finding would place LHS 1140b on the short list of promising habitable exoplanets.
- Earth-like LHS 1140b May Feature The First Atmosphere Found On Exoplanet Hackaday
- Astronomers Find an Atmosphere on a Nearby Earthlike Planet The New York Times
- Earth-like exoplanet found to have an atmosphere The Guardian
- Scientists Discover a Planet With the Most Earth-like Conditions Yet Time Magazine
- First Atmosphere Detected on a Terrestrial World Sky & Telescope
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