Solar energy is a completely free source of energy and it is found in abundance. Though the sun is 90 million miles from the sun, it takes less than 10 minutes for light to travel from that much of distance.
The earth gets 174 Ptawatts of incoming solar radiation in the upper atmosphere. About 30% reflected back to space rest is absorbed by oceans, clouds and land masses.
Solar energy can also be use. By means of photosynthesis, solar energy is converted by green plants into chemical energy which creates the bio mass that make up the fossil fuels.
The oil crisis of 1970 revealed the delicate nature of fossil fuels as a source of energy for the world. As such research in alternative, renewable energy technology like that of solar and wind energy gained momentum.
Food can be cooked, dried or pasteurized using solar energy.
Solar energy is being recognized as the future of alternative energy source as it is non polluting and helps combat the Greenhouse effect on global climate created by use of fossils fuels.
Solar energy produce no pollution, have no environmental effects and is ecologically acceptable.
Solar energy is one of the most widely used renewable source of energy. One can use renewable energy technology to convert solar energy into electricity.
Common domestic use of solar energy is from solar panels which absorb solar energy to use for cooking and heating water.
Solar energy is very reliable source of energy.
Space mission by various countries use solar energy to power their spaceships.
The earth receives about 1366 watts of direct solar radiation per square meter.
The largest solar power plant in the world is located in the Mojave desert in California, covering 1000 acres.
Solar power is noise pollution free . It has no moving parts, and does not require any additional fuel, other sunlight, to produce power.
Solar Energy is measured in kilowatt/hour. 1 kilowatt = 1000 watts.
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