What is Solar Energy?

The Sun is like a giant power station, making solar energy for us each and every day. Without this daily dose of solar power, Earth would not be eve...


The Sun is like a giant power station, making solar energy for us each and every day. Without this daily dose of solar power, Earth would not be even close to the same. Literally the difference would be like night and day.

Electromagnetic radiation is the technical term for solar energy. This radiation is emitted by the sun and is absorbed into Earths biosphere in many ways. Because of its widespread importance to the biosphere, solar energy plays a crucial role to our existence.

Electromagnetic (EM) radiation comes in many different wavelengths. We describe EM radiation based on its wavelength with Gamma rays being the shortest, and Radio waves the longest. Earths solar energy falls in the middle, composed of infrared, ultraviolet, and visible light waves. This is a good thing because all wavelengths between Gamma rays and Ultraviolet rays are harmful to humans and most other things on Earth.

Solar energy plays a primary role in all biological and thermal interactions on the Earth. With the presence of carbon dioxide, water, and solar energy, plants are able to produce energy through a process called Photosynthesis.

Solar energy is also the primary element that forms weather patterns. The Sun warms the surface of the earth, whereby wind patterns develop. Solar energy is absorbed in the oceans, and this helps form the currents. Evaporation caused by solar energy is what fundamentally leads to clouds and thunderstorms.

And so it is no surprise that solar energy is at the root of almost all physical processes that occur on Earth. Without this valuable resource life as we know it would not exist.

Each and every day we should all be giving thanks to the Sun. It may be the most important element to our existence which we take for granted. Imagine if one day we woke up and there was no Sun? It would be like losing power at your home, but a million times worse. Probably most people would fall into an immediate panic.

Thinking about it like that, we should probably all wake in the Morning and give thanks to the Sun. It is the single item in our existence we take most for granted. What if the Sun disappeared for one day? Just think of the mayhem and chaos this would create. And think of all the solar energy that would be lost all over the world.

With the recent advances in materials and industry, we now find ourselves with some new inventions for working with solar energy. It is now possible to make electricity directly from sunlight in a photovoltaic device. We can harness solar energy in absorption and concentrating collectors and store the heat.

The modern home can benefit greatly from solar technology, and the implementation has only just begun. Whether retrofitting your house, or building a new home, harnessing solar energy can bring tremendous savings and true energy independence. As a side benefit, we can feel good about lessening our impact on the environment.

With all the choices on the market its hard to know exactly where to start. What kind of benefits can be obtained by harnessing solar energy? How practical is it, and how much money can be saved in the long run? The truth is, in utilizing solar energy everybody will have a different idea and different purpose. Its best to begin with a discussion of the various technologies and their rewards, and allow the reader to form his own concepts for moving forward.

To learn how to use solar energy as a budget source of electricity for your home get Walter Hull’s report on simple solar power from your yard.

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