What’s the name of the star that is closest to our sun? July 15, 2020 by Karen Hill Proxima Centauri, a.k.a. Alpha Centauri C is the closest star to our solar system. It’s 4.2 light-years away. Related FactsWhat Kind of Star Is the Sun, What Is the Temperature of the Surface of the Sun, and How Was the Sun Formed?What Is a Light Year and How Long Does the Light From Our Closest Star Alpha Centauri Take To Reach Earth?Where Is the North Star, What Is the Name of the North Star, and Will the North Star Always Be the Polestar?What Is a Neutron Star, How Is a Neutron Star Created, and What Is the Mass of a Neutron Star?How Did the Sun Dance Begin In Blackfoot Mythology and Why Did Sun Teach Poia the Sun Dance?What Is the Best Way To Observe the Sun and How Can We Look At the Sun Without Damaging Our Eyes? About Karen Hill Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.