GENERAL KNOWLEDGE

Detailed explanation-1: -The heat source for our planet is the sun. Energy from the sun is transferred through space and through the earth’s atmosphere to the earth’s surface. Since this energy warms the earth’s surface and atmosphere, some of it is or becomes heat energy.

Detailed explanation-2: -The sun, like all stars, contains mostly hydrogen. It produces energy from nuclear fusion reactions where Hydrogen is converted to Helium. This fusion reaction occurring inside the sun produces a lot of energy in the form of heat and light.

Detailed explanation-3: -The main source of almost all the energy on the earth is the sun. In fact, for all the planets, the sun is the main source of heat and light. The stars, the planets, the moon, and the other objects in the sky are called the celestial objects. The stars are also present in the sky during the day time also.

Detailed explanation-4: -Sun. Earth. Chemical energy. Electrical energy. Atomic energy. Air.