Whereas: ''The meridians of longitude go the other way: They loop from the North Pole to the South and back again in great circles of the same size, so they all converge at the ends of the earth.'' (Although Ms. The globe'' in a series of concentric circles that are smaller the farther they are from the equator.
Scientific Problem of His Time,'' Dava Sobel writes that ''the trick for remembering the difference'' is that ''the latitude lines, the parallels, really do stay parallel to each other as they girdle Irst, is everyone clear on the difference between longitude and latitude? In her elegant history, ''Longitude: The True Story of a Lone Genius Who Solved the Greatest The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time The Biggest Peril to Ships for Most of History By CHRISTOPHER LEHMANN-HAUPT The Biggest Peril to Ships for Most of History
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