What Is Solar Energy?
Solar energy is the energy produced by the fusion of hydrogen atoms inside to release enormous nuclear energy, the radiation energy from the sun.
The vast majority of human energy needs come directly or indirectly from the sun.
Plants release oxygen through photosynthesis and absorb carbon dioxide. And convert solar energy into chemical energy for storage in plants.
Fossil fuels such as coal, oil, and natural gas are also formed by the evolution of animals and plants buried underground in ancient times through a long geological age.
In addition, water and wind energy are also converted from solar energy.
The earth contained more energy.
It usually refers to the energy related to the thermal energy inside the earth and the energy related to the nuclear reaction.
Solar energy is a treasure house of human energy, such as fossil energy, wind energy on the earth, and biomass energy all come from the sun.
There are flat-plate collectors and concentrating collectors that directly utilize solar energy.
Solar cells convert light energy into electricity.
Commonly used in artificial satellites, spacecraft, lighters, watches, mobile power sources, and solar lights.
The Role of Solar Energy
1. Bring us light and energy
2. No Waste
You can apply solar lights, solar cars, solar watches, solar water heaters, and solar systems to supply energy for a family.
These can save electricity and water and protect the environment.
3. When the sun shines on the skin. The subcutaneous blood vessels will expand, the blood flow will be strong, increasing the excretion and resistance of toxic substances, and the secretion of saliva and gastric juice will also increase.
Strengthen the gastrointestinal motility, and promote appetite and digestion.
4. The skin can also produce vitamin D from chemicals, such as ergo sterol, cholesterol, etc., under the sunlight.
Vitamins, Calcium, and phosphorus are significant components of our bones. If without them, we will get osteomalacia.
The Benefits of Solar Energy to Humans Are:
The sun shines on the earth, and there are no geographical restrictions. No matter whether it is land or sea, whether it is mountains or islands, it is everywhere. It can be directly developed and utilized without mining and transportation.
The development and utilization of solar energy will not pollute the environment and will not produce any waste gas. It is one of the cleanest energy sources. It is also a green and energy-saving product. In today’s increasingly grievous environmental pollution, this is extremely valuable.
The solar radiation energy that reaches the earth’s surface every year is equivalent to about 130 trillion tons of coal.
Its total amount is the largest energy source that can be exploited worldwide today.
According to the current rate of nuclear energy generated by the sun, the storage of hydrogen is enough to last for tens of billions of years, and the life of the earth is about several billion years.
In this sense, it can be said that the sun’s energy is inexhaustible.
5. The Solar Economy.
Sunlight doesn’t need money. It takes 3000 to 4000 yuan to buy a solar power unit, which can be used for 15 to 20 years, saving a lot of gas or electricity bills.
6. Solar Safety.
Not afraid of gas poisoning and leakage, except to be careful that the water is too hot to be scalded.
There is no need to worry about other things.
7. Solar Power Is Convenient.
Easy to operate, fully automatic control, all-weather hot water power supply.
8. The Benefits of Solar Energy for Plants
Plants use sunlight for photosynthesis, and photosynthesis takes in carbon dioxide and excretes oxygen.
This alone, solar energy brings vitality to humans and animals.
9. The Role of Solar Energy and Water
The heat of the sun causes the water to evaporate, and then the water vapor forms clouds in the air.
When the cloud’s water vapor reaches a certain value will rain.
It has many benefits for agriculture, and of course, it also indirectly benefits human beings.
Nowadays, with the increasing shortage of energy, people all over the world are making use of natural energy for the benefit of mankind.
And why solar energy products are becoming more and more popular.
Therefore, there are more and more solar energy products, such as solar street lamps, solar floodlights, mobile power sources, solar batteries, etc.
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