In deserts here on Earth, heat that has travelled 150 million kilometres from the sun can be hot enough to fry an egg. The Sun's surface is super hot at 6000˚C and its transition level is hotter at 1 million˚C and the core is furthermore hot at 14,000,000˚C.
Like all the other stars, the sun is primarily made of Hydrogen and some amounts of Helium. By mass the composition of the sun is 75 percent hydrogen and 25 percent helium. Various metals make up less than 0.1 percent of the mass of the sun. The following Table shows the composition of various elements inside the Sun.
(percentage of total number of atoms)
(percentage of total mass)
The sun weighs at about 1.9 × 10^30 Kg. And its radius is 6.96 × 10^8 metres. There is an interesting fact about the sun that 95% of the known stars are less massive than the Sun. Any object which wants to get free from the pull of gravity of sun should go with an Escape velocity of 618 km/s.