Binary Stars

Star systems made of two stars orbiting a shared center of mass.

Articles with this tag: 2 Updated: May 13, 2026

Articles with this tag

Alpha Centauri — the nearest stellar system to the Sun

Alpha Centauri — the nearest stellar system to the Sun Alpha Centauri Alpha Centauri is a nearby triple star system in Centaurus: a Sun‑like binary plus Proxima, the closest individual star, notable for brightness, exoplanet discoveries, and interest…

Binary star Two stars bound by gravity that orbit a common centre; important for measuring stellar masses, studying stellar evolution, and producing diverse phenomena from eclipses to mass tra…