Distance of K2-18b from Earth
K2-18b is located about 124 light-years from Earth in the constellation Leo. This distance means light traveling from the planet takes roughly 124 years to reach us.
Why the Distance Matters
At 124 light-years, K2-18b is one of the closer known exoplanets with potential biosignature gases. Its relative proximity makes it a key target for atmospheric studies using telescopes like Hubble and JWST.
K2-18b in Context
K2-18b orbits within the habitable zone of its red dwarf star. While 124 light-years is vast by human standards, it is considered nearby in galactic terms, helping scientists prioritize observations.
For more details on K2-18b and its distance, see NASA Exoplanet Exploration.
