K2-18 b
EXOPLANET · the mysterious ocean world
A world that keeps the headlines busy. K2-18 b may be a hycean planet, a deep global ocean under a thick hydrogen sky, and the James Webb telescope found carbon bearing molecules in its air. Hints of a gas that on Earth is made by ocean life caused huge excitement, but the signal is debated. This is science live: exciting, careful, unfinished.
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