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SOLAR ENERGY. A FEW FACTSEvery day the earth receives thousands of times more energy from the sun than is consumed in all other resources.If a 140x140 mile parcel of land in Arizona was covered with solar cells, the electricity needs of the entire United States could be met.The sunlight falling o
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1. Solar Energy
.and its many uses
2. SOLAR ENERGY A FEW FACTS
Every day the earth receives thousands of times more energy from the sun than is consumed in all other resources.
If a 140x140 mile parcel of land in Arizona was covered with solar cells, the electricity needs of the entire United States could be met.
The sunlight falling on a typical house can provide from 1/3 to 1/2 of the heating needs of that house.
Today solar energy accounts for only 1% of the total renewable energy consumed in the United States
3. Characteristics of Isolation Isolation is the amount of solar radiation reaching the earth. Also called Incident Solar Radiation. The suns energy is created from the fusion of hydrogen nuclei into helium nuclei. Components of Solar Radiation: Direct radiation Diffuse radiation Reflect radiation