Are there aliens on exoplanet K2-18b? Scientists just scanned it for signals
Astronomers used the VLA and MeerKAT radio telescopes to scan the exoplanet K2-18b for artificial radio signals, finding no evidence of extraterrestrial technology. Despite the lack of signals, the project demonstrated advanced data processing techniques to filter out terrestrial interference.
Why it matters
The search for technosignatures on potentially habitable 'Hycean' worlds is a major step in the ongoing scientific effort to detect life beyond Earth.
K2-18b has become one of the most closely watched exoplanets in recent years. The planet lies about 124 light years away in the constellation Leo and orbits within the habitable zone of a red dwarf star. Observations from the James Webb Space Telescope have revealed an atmosphere rich in carbon dioxide and methane, making K2-18b one of the leading candidates for a "Hycean" world, where a thick hydrogen rich atmosphere may surround a global ocean of liquid water.
The article provides a technical overview of a scientific search project without sensationalizing the lack of results.
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