As aids to locate longitudinal positions on a globe or map, meridians are plotted and drawn from pole to pole where they meet. (The normal line is perpendicular to a tangent line touching Earth’s curvature at that point on the surface.) Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. She likes to use "grand words" like latitude and longitude; her biggest fear is to appear "ignorant.". The American Heritage® Science Dictionary The noontime elevation angle reaches a maximum at all latitudes north of the Tropic of Cancer (23.5° N) around June 22 and a minimum around December 22. Gravity. All rights reserved. From Moscow to Queens, Down Sergei Dovlatov Way, The Works of Sir Thomas Browne (Volume 1 of 3). retry. map in which all the lines of latitude and longitude meet in right angles Effect of Right Angles forces the top and bottom of the globe to stretch out, creating more distortion of the polar regions The combination of meridians of longitude and parallels of latitude establishes a framework or grid by means of which exact positions can be determined in reference to the prime meridian and the Equator: a point described as 40° N, 30° W, for example, is located 40° of arc north of the Equator and 30° of arc west of the Greenwich meridian. Our editors will review what you’ve submitted and determine whether to revise the article. “Intrusive” vs. “Obtrusive”: What’s The Difference? Longitude is a measurement of location east or west of the prime meridian at Greenwich, the specially designated imaginary north-south line that passes through both geographic poles and Greenwich, London. We're here to explain the difference between them, and how to read them correctly. angular distance east or west on the earth's surface, measured by the angle contained between the meridian of a particular place and some prime meridian, as that of Greenwich, England, and expressed either in degrees or by some corresponding difference in time. Why Do We Have “Red States” And “Blue States”? The longitude between Queens and the Kremlin gave Channel One some latitude. As shown on the small-scale globe perspective, Washington, D.C., is located at the crossing of the 39th east-west line north of the Equator (39° N latitude) and the 77th north-south line west of the prime meridian (77° W longitude). Flashcards. Published by Houghton Mifflin Harcourt Publishing Company. Create your own unique website with customizable templates. Using latitude and longitude lines helps us find the absolute location of a place on the Earth. PLAY. AP HUMAN GEOGRAPHY. Articles from Britannica Encyclopedias for elementary and high school students. Thus I demonstrated the latitude of my island; but now for the longitude. Learn. joannasynclare . Get exclusive access to content from our 1768 First Edition with your subscription. Where Is The World's Population Distributed? They understood not the motion of the eighth sphear from West to East, and so conceived the longitude of the Stars invariable. Branch of geography primarily concerned with analyzing the structures, processes, and location of human creations and interactions with the earth Using latitude and longitude lines helps us find the absolute location of a place on the Earth. The length of a degree of arc of latitude is approximately 111 km (69 miles), varying, because of the nonuniformity of Earth’s curvature, from 110.567 km (68.706 miles) at the Equator to 111.699 km (69.41 miles) at the poles. Search » All » Geography » AP Human Geography » AP Geography Don't know. Like latitude, longitude is measured in degrees, minutes, and seconds. Know. STUDY. The New Dictionary of Cultural Literacy, Third Edition Terms in this set (62) Fieldwork. The distance of a degree of longitude is about 69 statute miles or 60 nautical miles (111 km) at the equator, decreasing to zero at the poles. (Compare latitude.). Measured also in degrees, minutes, and seconds, longitude is the amount of arc created by drawing first a line from the Earth’s centre to the intersection of the Equator and the prime meridian and then another line from the Earth’s centre to any point elsewhere on the Equator. A measure of relative position east or west on the Earth's surface, given in degrees from a certain meridian, usually the prime meridian at Greenwich, England, which has a longitude of 0°. Latitude and longitude, coordinate system by means of which the position or location of any place on Earth’s surface can be determined and described. Test. Longitude and latitude are the coordinates used to identify any point on the Earth's surface. Longitude is the angular measurement east and west of the Prime Meridian (image on the right). Why Do “Left” And “Right” Mean Liberal And Conservative? Because Earth is not a perfect sphere—the planet’s curvature is flatter at the poles—geographic latitude is the arc subtended by the equatorial plane and the normal line that can be drawn at a given point on Earth’s surface. Longitude is measured 180° both east and west of the prime meridian. Latitude is a measurement on a globe or map of location north or south of the Equator. AP Human Geography Chapter 1 Vocabulary. Different methods are used to determine geographic latitude, as by taking angle-sights on certain polar stars or by measuring with a sextant the angle of the noon Sun above the horizon. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Perspective of the globe with grid formed by parallels of latitude and meridians of longitude.

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