Explanation:
The Eintein's famous equation E= mc^2 explains that energy and matter are intercovertable. Certain amount of matter can be converted to energy. He explained that this phenomenon requires very high temperature. Thus, it happens in sun where matter is continuously burning itself to produce energy .Under tremendous pressure and temperature, atom of hydrohgen fuse to form helium and release a huge amount of energy and this phenomenon is called nuclear fusion.
