Tag: Solar spectrum
The relationship between the sun and the earth
Solar energyThe sun is a hot gas planet composed mainly of hydrogen and helium, with a diameter of about 1.392×106km and a distance of about 1.496×108km from the earth. The sun is the most energetic, natural and stable natural radiation source. Its center temperature is 1.5×107k, and the effective surface temperature is 5762K. The polynuclear…
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