Proxima Centauri b is an exoplanet located approximately 4.24 light-years away, making it the closest known exoplanet to Earth. It orbits the red dwarf star Proxima Centauri, which is part of the Alpha Centauri star system. Proxima Centauri b has a mass similar to Earth and orbits within the habitable zone of its star. The planet's proximity to Earth has made it a subject of extensive research and speculation regarding its potential habitability. Scientists believe that Proxima Centauri b may have a rocky surface and the possibility of liquid water, making it a promising candidate in the search for extraterrestrial life. However, more observations and studies are required to determine its exact characteristics.
