The nearest star to Earth, besides the Sun, is Proxima Centauri. Proxima Centauri is part of the Alpha Centauri star system, which also includes Alpha Centauri A and Alpha Centauri B. Proxima Centauri is located at a distance of approximately 4.24 light-years from Earth. This distance translates to about 39.9 trillion kilometers (24.8 trillion miles).
Proxima Centauri is a red dwarf star and is much smaller and cooler than our Sun. It has at least one known exoplanet, Proxima Centauri b, which is in the star's habitable zone where liquid water could potentially exist.
