SpazeRed supergiant
Betelgeuse
Big enough to swallow the orbit of Mars. It will explode as a supernova, sometime in the next 100,000 years.
- Distance
- 548 light years
- Surface
- 3,327 °C
- Size
- 764 × the Sun
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