SpazeRed dwarf, the nearest star
Proxima Centauri
The closest star to the Sun. A small, flaring red dwarf with at least two planets, one in its habitable zone.
- Distance
- 4.2 light years
- Surface
- 2,769 °C
- Size
- 0.2 × the Sun
- Known planets
- 2
Outer layers
- H 73%
- He 25%
- O, C, Fe and heavier 2%
Cool enough for titanium oxide and water molecules in its outer layers
Modelled from typical stellar abundances