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How We Use the Power of the Sun

The solar system’s star, the sun, is our most plentiful source of energy. Its immense heat and light creates our planet’s weather, gives us life-giving oxygen and helps plants grow. It also carries water to the surface of the oceans and allows for the formation of clouds, which transport energy-rich water throughout our world.

But the sun’s true power comes from nuclear fusion—the process that keeps it going. In the core of the sun, hydrogen atoms are forced together under enormous pressures to fuse into helium atoms, producing huge amounts of energy. Every second, the sun fuses about 620 million tonnes of hydrogen—that’s enough to power all 15-watt light bulbs in the world for over 100 years!

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Scientists have discovered how to harness the sun’s energy. They are now using it to create a clean and sustainable source of power that is more reliable than fossil fuels, which are a finite resource and require regular replenishment. To find out more about Solar Panels, go to

A molecule of sunlight contains about a million times more energy than a kilogram of coal or oil. The sun’s radiant energy is reflected by the earth, and a small amount of the radiation is absorbed by clouds, atmosphere and water. This energy is transferred to the ground as sunlight, which consists of visible light, infrared and ultraviolet rays.

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Humans have been using solar energy for thousands of years. For example, people have long ignited fires by focusing the sun’s rays on a pile of dry twigs to create thermal energy. Plants, on the other hand, are experts at converting solar energy into chemical energy through photosynthesis, which allows them to grow.

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