Exoplanet K2-18 b sits in the habitable zone of its parent star and has several key molecules needed in the formation of life.
A recent study of an exoplanet 120 light-years away revealed it has elements that are believed to be essential in the formation of life.
NASA also said that the exoplanet possesses carbon-bearing molecules such as methane and carbon dioxide. The exoplanet sits in the habitable zone of its parent star, where temperatures are considered not too hot or too cold to harbor life. "Our findings underscore the importance of considering diverse habitable environments in the search for life elsewhere," said Nikku Madhusudhan, an astronomer at the University of Cambridge."Traditionally, the search for life on exoplanets has focused primarily on smaller rocky planets, but the larger Hycean worlds are significantly more conducive to atmospheric observations."Scientists say the discoveries support the hypothesis that the exoplanet has abundant liquid water.
"Although this kind of planet does not exist in our solar system, sub-Neptunes are the most common type of planet known so far in the galaxy," said Subhajit Sarkar of Cardiff University. “We have obtained the most detailed spectrum of a habitable-zone sub-Neptune to date, and this allowed us to work out the molecules that exist in its atmosphere.”
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