Difference between revisions of "Solar constant"
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(New page: Solar constant is the average amount of solar radiation that reaches the earth's upper atmosphere on a surface perpendicular to the sun's rays. It is equal to 1353 Watts per square meter ...) |
(No difference)
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Revision as of 02:03, June 24, 2007
Solar constant is the average amount of solar radiation that reaches the earth's upper atmosphere on a surface perpendicular to the sun's rays.
It is equal to 1353 Watts per square meter or 492 Btu per square foot.