From June 1957 to December 1958, the United States and the Soviet Union participated in a period of international scientific exploration of the Earth, causing the period to become known as The International Geophysical Year. Many experiments were untertaken concerning different facets of the planets that we live on, including the arcdtic, meteors, cosmic rays, etc. (more info : http://www.nas.edu/history/igy and http://history.nasa.gov/sputnik/igy.html).
Walt Kelly’s Pogo also lent a hand in this international scientific research, which led to his own G.O. Fizzickle Year. These collection that contained these strips is now presented in weekly helpings at the Offishul Pogo Page
. Go look !