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The first widespread effort to measure solar radiation began during the 1957-1958 International Geophysical Year (IGY), when a global network of radiometer stations was established to measure the Earth’s radiation budget. In the following years, scientists discovered that the amount of solar radiation reaching the Earth’s surface was not constant. From 1960 to 1990, measurements of solar radiation decreased worldwide by 4 to 6 percent. The greatest rates of decline were in the heavily... więcej
Salem Press Encyclopedia of Science, 2023. 3p.
