Is the arc of the Equator or the angle at the poles contained between the Prime meridians through that place. Longitudes are measured from 0° to 180°,and named East or West according to the place being East or West of the Prime meridian.
This cutaway drawing shows that the latitude and longitude of any place are based on the sizes of two angles that originate at the center of the Earth. For New Orleans these angles are 30 degrees (north latitude) and 90 degrees (west longitude).
No comments:
Post a Comment