Alien life? Why the possibility of exoplanet LHS 1140b emitting helium gas is so exciting
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The Conversation
New Space EconomyAlien life? Why the possibility of exoplanet LHS 1140b emitting helium gas is so exciting
Artist’s impression of the newly-discovered rocky exoplanet, LHS 1140b. (European Southern Observatory), CC BYThis summer, exoplanet science — the study of planets orbiting stars beyond our sun — took a big step forwards. Reports of helium gas escaping from the atmosphere of LHS 1140b propelled this exoplanet from the pages of scientific journals into the mainstream media. LHS 1140b orbits a faint, red star within the constellation of Cetus — na…
James Webb already ruled out a primary hydrogen atmosphere in LHS 1140b. Possible helium now points to a secondary and stable envelope. The LHS 1140b entry could emit helium: the 48-year-old super-Earth light that loses its atmosphere aparece primero en Merca2.
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