K2-18b: An Exoplanet Rich in Water
K2-18b is an exoplanet located 110 light-years away, orbiting a red dwarf star. Its atmosphere contains water vapor, making it a unique candidate for liquid water on a solid surface.
K2-18b: An Exoplanet Rich in Water
K2-18b is one of the 4,200 exoplanets identified to date, and it has some intriguing characteristics. This planet orbits within the habitable zone of its star and has been found to have water in its atmosphere.
Located in the constellation Leo, K2-18b orbits a red dwarf star approximately 110 light-years away from Earth. It is larger than our planet, with a surface gravity that is stronger, suggesting the presence of intense radiation. Thus, while it may be a fascinating celestial body, it is not likely to be a desirable vacation spot.
Astronomers from the Center for Space Exochemistry Data in London have analyzed observations from the Hubble Space Telescope taken in 2016 and 2017 regarding the K2-18b system. They developed an algorithm to examine the light filtered by K2-18b's atmosphere, which revealed the signature of water vapor. The analysis also detected hydrogen and helium in the atmosphere.
K2-18b has garnered significant attention from scientists because, if studies confirm the findings, it could be the only known candidate with liquid water on a solid surface.
Source of this article: Hubble Website
