estimated longitude
1Longitude by chronometer — Longitude by Chronometer, known by mariners as Long by Chron , is an astronomical navigation method of calculating an observer s position on earth. The method gives the observer a position line on which the observer is situated. Usually the… …
2longitude by account — or longitude by dead reckoning : the approximate longitude of a ship as calculated by dead reckoning * * * Navig. the longitude of the position of a vessel as estimated by dead reckoning …
3longitude by account — Navig. the longitude of the position of a vessel as estimated by dead reckoning. * * * …
4Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
5Colorado — This article is about the U.S. state of Colorado. For the former U.S. territory, see Colorado Territory. For the river, see Colorado River. For the physiographic region, see Colorado Plateau. For other uses, see Colorado (disambiguation). State… …
6Daylight saving time — This article is about daylight saving time in general. For DST in a specific location, see Daylight saving time by country. Summer time and DST redirect here. For other uses, see Summer time (disambiguation) and DST (disambiguation) …
7climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
8Celestial navigation — Celestial navigation, also known as astronavigation, is a position fixing technique that was devised to help sailors cross the featureless oceans without having to rely on dead reckoning to enable them to strike land. Celestial navigation uses… …
9Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …
10Mars — This article is about the planet. For other uses, see Mars (disambiguation) …
