Solar Energy

Solar energy is the radiant light and heat from the Sun that has been harnessed by humans since ancient times using a range of ever-evolving technologies. Solar energy technologies include solar heating, solar photovoltaics, solar thermal energy, solar architecture, and artificial photosynthesis, among others.

Solar Radiation

Solar radiation is the electromagnetic radiation emitted by the Sun. It is the primary energy source for the Earth's climate system and drives the processes of photosynthesis and ocean evaporation. Solar radiation is also the basis for solar power generation through various technologies.

Solar Panels

Solar panels, also known as photovoltaic panels, are devices that convert light into electricity. They are made up of many solar cells that are made of silicon, a semiconductor material. When sunlight hits the solar cells, it creates an electric field that generates electricity.

Solar Energy Applications

Solar energy has a wide range of applications, including residential and commercial power generation, heating water for domestic or industrial use, powering satellites and spacecraft, and providing energy for remote locations where grid power is unavailable.

Environmental Impact

Solar energy is a clean and renewable source of energy, meaning it has a minimal impact on the environment compared to fossil fuels. It produces no greenhouse gases and reduces the dependence on non-renewable energy sources.

Study Guide

1. What is solar energy?
2. Explain the concept of solar radiation.
3. How do solar panels work?
4. What are the applications of solar energy?
5. Discuss the environmental impact of solar energy.

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