Alpha Centauri
nearest Sun-like star · a triple system
4.4 light-years from Earth
Two Sun-like stars circle each other every 80 years, 4.37 light-years away. The red dwarf Proxima, the closest star of all, orbits them far out.
- A and B are 11 to 35 AU apart (like Saturn to Neptune)
- from here our Sun is a bright star in Cassiopeia
- kind
- star
- size
- 1,700,000 km across
More stars & stellar remnants
- Proxima Centauri red dwarf
- Barnard's Star red dwarf
- Sirius brightest star in the night sky
- Sirius B white dwarf
- Epsilon Eridani young Sun-like star with debris belts
- Tau Ceti nearby Sun-like star
- Altair rapidly rotating A star
- Vega fast-spinning A star seen pole-on