what do you know about the attitudes and the latitudes in the in the earth that is supports the earth to find the location on the on the same exact place and the absolute place on the earth that can be the first place you can find on the earth you can only find the first place on the Earth if you want and if you want to find the place then you have to use a globe in that globe you will find a latitude and longitude sector in that sector you will also get so many things that they will always help you in finding the places which you want to find on the map
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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.Latitude is a measurement on a globe or map of location north or south of the Equator. Technically, there are different kinds of latitude—geocentric, astronomical, and geographic (or geodetic)—but there are only minor differences between them. In most common references, geocentric latitude is implied. Given in degrees, minutes, and seconds, geocentric latitude is the arc subtended by an angle at Earth’s centre and measured in a north-south plane poleward from the Equator. Thus, a point at 30°15′20″ N subtends an angle of 30°15′20″at the centre of the globe; similarly, the arc between the Equator and either geographic pole is 90° (one-fourth the circumference of the Earth, or 1/4 × 360°), and thus the greatest possible latitudes are 90° N and 90° S. As aids to indicate different latitudinal positions on maps or globes, equidistant circles are plotted and drawn parallel to the Equator and each other; they are known as parallels, or parallels of latitude.In contrast, geographic latitude, which is the kind used in mapping, is calculated using a slightly different process. 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. (The normal line is perpendicular to a tangent line touching Earth’s curvature at that point on the surface.) 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. 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. Geographic latitude is also given in degrees, minutes, and seconds.
latitude and longitude
latitude and longitude
Geocentric latitude and geographic latitude.
Encyclopædia Britannica, Inc.
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. 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. Longitude is measured 180° both east and west of the prime meridian. As aids to locate longitudinal positions on a globe or map, meridians are plotted and drawn from pole to pole where they meet. The distance per degree of longitude at the Equator is about 111.32 km (69.18 miles) and at the poles, 0.
Facts about Lines of Longitude--Are known as meridians.--Run in a north-south direction.--Measure distance east or west of the prime meridian.--Are farthest apart at the equator and meet at the poles.--Cross the equator at rightangles.--Lie in planes tha
Encyclopædia Britannica, Inc.
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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.
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).
