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Planet K2MailOnline
•Science
Science
81% Informative
Planet K2-18b is a suspected a 'hycean' world a rocky planet with a hydrogen-rich atmosphere and vast oceans of water.
It's probable that the oceans are filled with something like phytoplankton tiny organisms that feed on the energy from the nearby star.
Scientists say there are likely 'millions' of planets outside our galaxy hosting some kind of lifeforms.
Planet K2-18b is eight times the mass of Earth and over twice as big.
It was discovered 10 years ago , but it was only in 2019 that presence of water vapour was reported.
In 2023 , the James Webb telescope detected carbon dioxide and methane in its atmosphere.
This was the first time carbon-based molecules were discovered in the atmosphere of an exoplanet in the habitable zone.
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