Solar energy is a kind of renewable energy

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Solar energy is a kind of renewable energy. It refers to the thermal radiation energy of the sun (see the three modes of thermal energy transmission: radiation), which is mainly represented by the sun's rays. In modern times, it is generally used to generate electricity or provide energy for water heaters. Since the birth of life on the earth, it has mainly lived by the heat radiation energy provided by the sun. Since ancient times, people have also learned to dry things in the sun as a way to make food, such as salt making and salting fish. With the decrease of fossil fuels, solar energy has become an important part of human energy use and has been continuously developed. Solar energy can be used in two ways: light heat conversion and photoelectric conversion. Solar power generation is a new renewable energy. In a broad sense, solar energy also includes wind energy, chemical energy, water energy, etc. on the earth.

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