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Posted by adams wasiu on Sunday January 8, 2012 at 17:9:7:

SOLAR ENERGY DEFINITION
Solar Energy - Solar energy is the energy received by the earth from the sun. This energy is in the form of solar radiation, which makes the production of solar electricity possible.
Solar energy is vital to support life on earth, it helps to grow our food, light our days, influence weather patterns, provide heat, and can be used to generate solar electricity.
Solar electricity relies upon man-made devices such as solar panels or solar cells in order to provide a source of clean, and low cost renewable energy.
We have used energy from the sun to provide electricity for many years, in the form of solar cell calculators and other small, low energy consuming devices.
As solar energy technologies become more advanced, we are able to exploit the energy we receive from the sun to provide a greater, significant amount of our electricity or even hot water (when using solar hot water panels).

2.SOLAR COLLECTOR

A solar thermal collector is a solar collector designed to collect heat by absorbing sunlight. The term is applied to solar hot water panels, but may also be used to denote more complex installations such as solar parabolic, solar trough and solar towers or simpler installations such as solar air heat. The more complex collectors are generally used in solar power plants where solar heat is used to generate electricity by heating water to produce steam which drives a turbine connected to an electrical generator.
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http://get-an-admission-4-real.blogspot.com/2012/01/solar-energy-and-solar-collector-and-it.html

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