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International Geophysical Year

British  

noun

  1.  IGY.  the 18-month period from July 1, 1957, to Dec 31, 1958, during which a number of nations agreed to cooperate in a geophysical research programme

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Warming of the Antarctic ice-sheet surface since the 1957 International Geophysical Year.

From Nature Feb. 4, 2018

Although officially part of the International Geophysical Year, the Soviet Union’s launch of Sputnik in October 1957 had clear military ramifications.

From Salon Apr. 27, 2013

It began among scientists in 1957 with the International Geophysical Year, the first real attempt to coordinate planetary scale investigations.

From BBC Jun. 4, 2012

Russian scientists first identified the Gamburtsevs in 1958 as part of a survey during the International Geophysical Year, and geologists have been puzzled ever since about how the range came to be.

From US News Oct. 18, 2010

The Americans had planned to launch the first satellite into orbit as part of the International Geophysical Year, a cooperative global science project that ran from July 1957 to December 1958.

From "Hidden Figures" by Margot Lee Shetterly

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