The Sun
Part of Scales of the Universe.
Part of Scales of the Universe.
If the Hayden Sphere is the size of the blue supergiant star Rigel, then this model is the relative size of the Sun.
Our Sun is a star of intermediate size, mass, and luminosity (light output). In its old age, the Sun will swell more than a hundredfold to become a red giant that is larger than the star Rigel.