Rocky planet LHS 1140b, just 49 light-years away, shows signs of an atmosphere and could have water reserves, a Harvard-led team says
Astronomers have detected an atmosphere on a rocky planet within a potentially habitable zone outside the Solar System for the first time, according to a new report by a Harvard-led team of scientists.
The findings stemmed from analyzing data on the super-Earth LHS 1140b, which circles a red dwarf 49 light-years from Earth in a temperature zone that theoretically allows liquid water to exist. The discovery, published in the journal Science on Thursday, was based on traces of helium escaping the planet.
“An atmosph…
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