Fact of the Sun

The sun is the main source of our most familiar and almost all the energy of this world. Every organism is directly or indirectly dependent on solar energy. The source of this sun's energy is the reaction of the nucleus, which causes the hydrogen atoms present in the sun to become helium atoms and produces a lot of heat energy. But there is no flame blaze in the sun, because the flame can not survive in the absence of oxygen. Then it looks like a super hot, red-colored iron