GK
THE UNIVERSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Nuclear fusion in the core.
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Magnetic reaction in the corona
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Chemical reactions in the photosphere
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A phase change in the chromosphere.
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Detailed explanation-1: -In the core of the Sun hydrogen is being converted into helium. This is called nuclear fusion. It takes four hydrogen atoms to fuse into each helium atom. During the process some of the mass is converted into energy.
Detailed explanation-2: -The core is the source of the Sun’s energy, the site of thermonuclear fusion. At a temperature of about 15, 000, 000 K, matter is in the state known as a plasma: atomic nuclei (principally protons) and electrons moving at very high speeds.
Detailed explanation-3: -Fusion occurs when two atoms slam together to form a heavier atom, like when two hydrogen atoms fuse to form one helium atom. This is the same process that powers the sun and creates huge amounts of energy-several times greater than fission.