The sun was a very big thing to the Egyptians, the Aztecs, the Native Americans, and the Chinese. The sun sometimes served as the war god. The chinese thought that their were actually ten suns. The sun is the closest star to earth or to any other bodie in our solar system. The sun causes just about every reaction  their is on earth. It causes seasons, currents, wether and many other things.
    At the core the temperature is very very hot being 16 million degrees Kelvin which is able to support thermonuclear fusion reactions. This energy keeps the sun from collapsing. The total energy is equal to