K2-18b is a fascinating exoplanet located **124 light-years away** in the constellation **Leo**. Orbiting a **red dwarf star** within the **habitable zone**, it has shown signs of **water vapor**, **methane**, and **carbon dioxide** in its atmosphere. Scientists believe it may be a **Hycean world**, featuring a hydrogen-rich atmosphere and possibly an ocean-covered surface. While it differs greatly from Earth, K2-18b remains a promising subject in the search for extraterrestrial life.
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