1. Baby Kumari
  2. Sources of Energy
  3. Sunday, July 03 2016, 09:15 PM

 Solar energy and its power? 

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The Sun has been radiating an enormous amount of energy at the present rate for nearly 5 billion years and will continue radiating at that rate for about 5 billion years more. Only a small part of solar energy reaches the outer layer of the earth’s atmosphere. Nearly half of it is absorbed while passing through the atmosphere and the rest reaches the earth’s surface.

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