IGY has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of IGY in Scientific & Educational.
By international agreement, a period during which greatly increased observation of worldwide geophysical phenomena is undertaken through the cooperative effort of participating nations. July 1957 to December 1958 was the first such year. However, precedent was set by the International Polar Years of 1882 and 1932.
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