The nearest solar system to ours is the Alpha Centauri system. Alpha Centauri is actually a triple star system consisting of three stars: Alpha Centauri A, Alpha Centauri B, and Proxima Centauri. Proxima Centauri is the closest of the three stars to our Sun.
Proxima Centauri is located approximately 4.24 light-years away from the Sun. It gained significant attention because, in 2016, an Earth-sized exoplanet, Proxima b, was discovered orbiting Proxima Centauri within its habitable zone—the region where conditions might allow for liquid water to exist.
While Proxima Centauri is the closest known star system, interstellar distances are immense, and traveling to even the nearest stars with current technology would take an incredibly long time. As of now, interstellar travel remains a significant challenge for space exploration.
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