| 21. | Approximately, such a route is a segment of a great circle, such as a line of longitude or the equator.
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| 22. | On it lay off ticks westwards starting at the 118th lines of longitude ( 5th and 6th DLS meridians ).
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| 23. | The control center predicted that the 180-foot-high balloon would reach the finish line of longitude 9 degrees west around 1000 GMT.
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| 24. | The control center predicted that the 180-foot-high balloon would reach the finish line of longitude 9 degrees west around 1030 GMT.
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| 25. | Palmer Land borders Ellsworth Land along the 80?W line of longitude, and is bounded in the south by Carlson Inlet.
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| 26. | The control center predicted that the 180-foot-high balloon would reach the finish line of longitude 9 degrees west around 0930 GMT.
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| 27. | The length of polar lines are half that of the equator, and lines of longitude are semiellipses, or portions of ellipses.
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| 28. | As with other segments of Antarctica, it is defined by two lines of longitude, 142?2'E and 153?5'E, and by the 60�S parallel.
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| 29. | The length of the polar lines is half that of the equator, and lines of longitude are semiellipses, or portions of ellipses.
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| 30. | I've been looking : Category : Lines of longitude and there definitely needs to be a large number of changes to the sorts there.
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