K2-18 - Wikipedia
K2-18, also known as EPIC 201912552, is a red dwarf star with two planetary companions located 124 light-years (38 parsecs) [4] from Earth, in the constellation of Leo. Its name is because it …
K2-18b | Life, Distance, Temperature, & Facts | Britannica
3 days ago · K2-18b Artist's conception of extrasolar planet K2-18b (blue planet on right) . K2-18b, an exoplanet 8.6 times as massive as Earth, orbits the red cool dwarf star K2-18 in the …
K2-18 b - NASA Science
Mar 28, 2025 · K2-18 b is a super Earth exoplanet that orbits a M-type star. Its mass is 8.92 Earths, it takes 32.9 days to complete one orbit of its star, and is 0.1429 AU from its star. Its …
Is there alien life on a distant planet? What to know about K2-18b
2 days ago · K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know. ... K2-18b, which orbits a red dwarf star more than …
About That ‘Possible Sign of Life’ on a Distant Planet
6 days ago · Madhusudhan and his team used the James Webb Space Telescope to collect light from K2-18b’s host star during one of these transits by the planet. A tiny fraction of the light …
Signs of life on alien planet K2-18b? Some are skeptical : NPR
Apr 16, 2025 · K2-18b orbits a cool dwarf star that lies about 124 light years away, in the constellation of Leo. The planet is found in the "Goldilocks zone" around the star, where …
A possible sign of life on K2-18b? Here’s… | The Planetary Society
5 days ago · On the one hand, K2-18 b orbits within the habitable zone of its star (a cool red dwarf about 120 light-years away), meaning it could potentially host water on its surface. On the …
Scientists find promising hints of life on distant planet K2-18b - BBC
Apr 17, 2025 · Scientists have found new but tentative evidence that a faraway world orbiting another star may be home to life. A Cambridge team studying the atmosphere of a planet …
Webb Discovers Methane, Carbon Dioxide in Atmosphere of K2-18 b
Sep 11, 2023 · K2-18 b, an exoplanet 8.6 times as massive as Earth, orbits the cool dwarf star K2-18 in the habitable zone and lies 120 light-years from Earth. A new investigation with …
K2-18 b could have dimethyl sulfide in its air. But is it a sign of life?
6 days ago · Lying 124 light-years away in the constellation Leo, K2-18 b orbits in the habitable zone of its red-dwarf host star — at a distance where the planet’s surface temperature can …