SpazeOrange dwarf
Alpha Centauri B
Alpha Centauri A’s partner. The two circle each other every 80 years.
- Distance
- 4.4 light years
- Surface
- 4,987 °C
- Size
- 0.9 × the Sun
Outer layers
- H 73%
- He 25%
- O, C, Fe and heavier 2%
Glowing hydrogen plasma
Modelled from typical stellar abundances