The sun is a yellow dwarf star at the heart of our solar system. Though the sun is special to us there are billions of stars like our sun scattered across the Milky Way galaxy.

Average diameter: 864,000 miles

The Sun is 109 times the size of the earth

Rotation period at equator: About 27 days

Rotation period at poles: About 36 days

Surface temperature: 10,000 degrees Fahrenheit

Composition: Hydrogen, Helium