What is solar energy in simple words?

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The sun is a star one million times the size of Earth. That means if Earth were the head of a pin, the sun would be roughly the size of a basketball.

The sun is a star one million times the size of Earth. That means if Earth were the head of a pin, the sun would be roughly the size of a basketball.

Solar energy is a type of radiant energy, so named for the vibrating particles 'radiating' from the sun that we talked about earlier. Solar energy is sometimes called solar radiation for this reason.

Solar energy also does other kinds of work that is more indirect. Plants use the sun's energy through the process of photosynthesis to grow, and, more indirectly, we eat plants like fruits and vegetables to provide our bodies with energy.

Solar power is energy from the sun. "Solar" is the Latin word for "sun" and it's a powerful source of energy.

Without it, there will be no life. Solar energy is considered as a serious source of energy for many years because of the vast amounts of energy that is made freely available, if harnessed by modern technology.

solar energy kidsThe technology used to convert the sun's power into electricity does not produce smoke (carbon dioxide and other air pollutants).

solar energy kidsTapping the sun's energy does not usually destroy the environment.

Unfortunately, the sun does not available in the night, and in some days, clouds and rains and other natural conditions prevent the sun's powerful rays from reaching us.

This means that it is not always available. This a why we cannot rely on solar energy alone.

Solar cells are devices that convert light energy directly into electrical energy. In these cells, there are semiconductors (silicon alloys and other materials).

You may have seen small solar cells on calculators or some mobile phones.

Larger arrays of solar cells are used to power road signs, and even larger arrays are used to power satellites in orbit around Earth.

Solar cells are also called photovoltaic cells or PV devices.

Energy is the ability to do work, and 'solar' is a Latin word for the sun. So, we can define solar energy as energy obtained from the sun. We can put this energy to work for us in many ways, from heating water and living spaces within our homes to generating electrical energy. Solar energy is a type of radiant energy, so named for the vibrating particles 'radiating' from the sun that we talked about earlier. Solar energy is sometimes called solar radiation for this reason.

Solar panels

Solar panels are different to solar cells. Solar panels do not generate electricity directly. Instead they heat up water directly. A pump pushes cold water from a storage tank through pipes in the solar panel.

The water is heated by heat energy from the Sun and returns to the tank.

They are often located on the roofs of buildings where they can receive the most sunlight.

Solar energy also does other kinds of work that is more indirect. Plants use the sun's energy through the process of photosynthesis to grow, and, more indirectly, we eat plants like fruits and vegetables to provide our bodies with energy.

Solar energy works by capturing the sun’s energy and turning it into electricity for your home or business.

Every hour, enough photons impact our planet to generate enough solar energy to theoretically satisfy global energy needs for an entire year.

There is also the Solar Thermal Power Plant. Here, a concentration of the sun's energy by many panels is used to heat up water into steam, which is then used to turn turbines to produce electricity.

Guess what! Power stations of this nature usually need a lot of space to capture a lot of the sun's energy!

Solar energy, radiation from the Sun capable of producing heat, causing chemical reactions, or generating electricity. The total amount of solar energy incident on Earth is vastly in excess of the world’s current and anticipated energy requirements. If suitably harnessed, this highly diffused source has the potential to satisfy all future energy needs