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K2 18 B

All articles tagged with #k2 18 b

space-science2 years ago•3 min saved

"James Webb Telescope's Groundbreaking Discovery: Potential Life Found on Exoplanet"

The James Webb Space Telescope has captured the atmospheric spectrum of exoplanet K2-18 b, a sub-Neptune planet orbiting a cool dwarf star within its habitable zone. The spectrum reveals the presence of methane, carbon dioxide, and dimethyl sulfide, a compound associated with life on Earth. Scientists are exploring the possibility that K2-18 b could be a Hycean world with a hydrogen-rich atmosphere and a water-covered surface. Further observations are needed to validate the findings and determine the planet's habitability, but the discovery expands the search for life in exotic habitats.

via Big Think|

#exoplanets #habitability #james-webb-space-telescope

science-and-technology2 years ago•2 min saved

"Webb Telescope's Discovery: Signs of Life on a Distant Ocean World"

NASA's James Webb Space Telescope has detected the presence of methane, carbon dioxide, and possibly dimethyl sulfide on the exoplanet K2-18 b, indicating that it could be a Hycean exoplanet with a hydrogen-rich atmosphere and liquid-water oceans. The planet is in the habitable zone and shows potential for supporting life. Further observations will be conducted to confirm the presence of dimethyl sulfide and explore the diverse habitable environments of exoplanets.

via CBS News|

#exoplanet #james-webb-space-telescope #k2-18-b

space2 years ago•6 min saved

Webb Space Telescope Discovers Essential Molecules on Exoplanet K2-18 b

NASA's James Webb Space Telescope has detected carbon-bearing molecules, including methane and carbon dioxide, in the atmosphere of exoplanet K2-18 b. The presence of these molecules suggests the possibility of a water ocean underneath a hydrogen-rich atmosphere on the exoplanet, which is 8.6 times the mass of Earth and located in the habitable zone. This discovery provides insights into the potential habitability of exoplanets and raises interesting prospects for finding life elsewhere in the universe. Further observations with Webb's MIRI spectrograph are planned to validate these findings and gain a deeper understanding of the environmental conditions on K2-18 b.

via SciTechDaily|

#carbon-bearing-molecules #exoplanets #hycean-exoplanet

science-and-astronomy2 years ago•5 min saved

"James Webb Space Telescope reveals exoplanet's oceanic surface"

The James Webb Space Telescope (JWST) has detected carbon-based molecules in the atmosphere of exoplanet K2-18 b, a suspected ocean world located 120 light-years away. The planet, which is larger than Earth and smaller than Neptune, is considered a potential habitat for life due to its size and location in the habitable zone. The presence of carbon dioxide and methane, along with a possible detection of dimethyl sulfide, suggests the existence of a water ocean under a hydrogen-rich atmosphere. Further observations with the JWST will help confirm these findings and provide more insight into the environmental conditions of such exoplanets.

via Space.com|

#carbon-based-molecules #exoplanet #hycean-world