It's actually part of a triple star system:
* Alpha Centauri A: A G2V star very similar to our Sun in terms of size, mass, and temperature.
* Alpha Centauri B: A slightly smaller and cooler K1V star.
* Proxima Centauri: A red dwarf star that's much smaller and cooler than our Sun. It's the closest star to our Sun, but it's not part of the main binary system.
While Alpha Centauri A and B are a binary pair, they orbit each other relatively close together. Alpha Centauri A is the closest star to our Sun that's most like our own.
