SpazeOrange giant
Arcturus
An old orange giant 25 times wider than the Sun, a preview of what our Sun will become.
- Distance
- 36.7 light years
- Surface
- 4,013 °C
- Size
- 25 × the Sun
Outer layers
- H 73%
- He 25%
- O, C, Fe and heavier 2%
Glowing hydrogen plasma
Modelled from typical stellar abundances