The Sun is our home star . Our sun gives valuable energy to us. The Earth has living thing because of the sun light. The sun radiates heat in the form of light and it takes only 8 minutes to reach on Earth, but it can takes 100000 years to transfer energy from Sun’s core to the Sun’s surface and emerge as light. The process of transferring energy from Sun’s Core to the surface of Sun is slower because the energy absorbed by trillions of atoms is reemitted again and again. This energy passes through the dense radiative zone. The Sun Our Only Star In Our Solar System. Nuclear fusion reaction in sun The energy emitted by Sun is from the nuclear fusion reaction which takes place in core. In the core the specific type of nuclear fusion reaction occurs is known as proton-proton fusion . These protons are nothing but the hydrogen nucleus. The protons (hydrogen nucleus) fuse together through series and different steps to form the helium . This reaction process ...
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