set length and letters 2345678910+ remove filter▲ length12345678910111213141516171819202122232425 Answer IGY – Crossword Puzzle Solver clueanswerlength1957-58 sci. projectIGY 3 1982 Donald Fagen hit subtitled "What a Beautiful World"IGY 3 Global milestone of science: Abbr.IGY 3 Per. from July 1, 1957 to Dec. 31, 1958IGY 3 July 1957 to Dec. 1958, in sci. newsIGY 3 Using the ToolVisit the instruction to find out more about this tool.