Question

What is the difference between a star and a sun?

Answer 1

Sun is a star. However, stars are classified. Sun is a star of spectral class G2V.

Explanation:

G-clas surface-temperature-range is 5200 K - 6000 K. K is for Kelvin. 2 refers to color in 0 - 9 grading. The Roman V is a luminosity designate.