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The equator is the only line of latitude which is also a great circle—meaning, one whose plane passes through the center of the globe. The plane of Earth's equator, when projected outwards to the celestial sphere, defines the celestial equator.
The fundamental plane and the primary direction mean that the coordinate system, while aligned with Earth's equator and pole, does not rotate with the Earth, but remains relatively fixed against the background stars. A right-handed convention means that coordinates increase northward from and eastward around the fundamental plane.
The Equator has a latitude of 0°, the North Pole has a latitude of 90° North (written 90° N or +90°), and the South Pole has a latitude of 90° South (written 90° S or −90°). The latitude of an arbitrary point is the angle between the equatorial plane and the normal to the surface at that point: the normal to the surface of the sphere ...
A medieval depiction of the Ecumene (1482, Johannes Schnitzer, engraver), constructed after the coordinates in Ptolemy's Geography and using his second map projection. In cartography, a map projection is any of a broad set of transformations employed to represent the curved two-dimensional surface of a globe on a plane.
A geographic coordinate system (GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on Earth as latitude and longitude. [1] It is the simplest, oldest and most widely used type of the various spatial reference systems that are in use, and forms the basis for most others.
(The effect is more noticeable the further away you are from the equator, meaning northern states will feel it more than southern states.) ... it absolutely does for many people. Studies have also ...
In many countries' curricula, social studies is the combined study of humanities, the arts, and social sciences, mainly including history, economics, and civics.The term was first coined by American educators around the turn of the twentieth century as a catch-all for these subjects, as well as others which did not fit into the models of lower education in the United States such as philosophy ...
The beginning of November means it's time to change the clocks back and get an extra hour of sleep. Daylight saving time 2024 ends on Sunday, Nov. 3, at 2:00 a.m., when the clocks go back exactly ...