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PARTS OF THE GLOBE
Transcript of PARTS OF THE GLOBE
By John kyle De Lima
and Francine Leeyan Ramos
The measurement of longitude is important both to cartography and for ocean navigation. Mariners and for most of history struggled to determine longitude. Finding a method of determining longitude took centuries, resulting in the history of longitude recording the effort of some of the greatest scientific minds.
PARTS OF THE GLOBE
is a geographic coordinate that specifies the north-south position of a point on the Earth's surface. Latitude is an angle (defined below) which ranges from 0° at the Equator to 90° (North or South) at the poles. Lines of constant latitude, or parallels, run east-west as circles parallel to the equator. Latitude is used together with longitude to specify the precise location of features on the surface of the Earth. Two levels of abstraction are employed in the definition of these coordinates.
The North Pole is the northernmost point on the Earth, lying diametrically opposite the South Pole. It defines geodetic latitude 90° North, as well as the direction of true north. At the North Pole all directions point south; all lines of longitude converge there, so its longitude can be defined as any degree value.
The South Pole, also known as the Geographic South Pole or Terrestrial South Pole, is one of the two points where the Earth's axis of rotation intersects its surface. It is the southernmost point on the surface of the Earth and lies on the opposite side of the Earth from the North Pole.
The Southern Hemisphere is the half sphere of the Earth which is south of the equator. It contains all or parts of five continents (Antarctica, Australia, about 9/10 of South America, the southern third of Africa, and several southern islands off the continental mainland in Asia), four oceans (Indian, South Atlantic, Southern, and South Pacific) and most of Oceania.
The Northern Hemisphere of Earth is the half that is north of the equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the solar system as Earth's North pole.
The Eastern Hemisphere is a geographical term for the half of the earth that is east of the prime meridian (which crosses Greenwich, England) and west of the antimeridian on the opposite side of the planet.
In an effort to define the Western Hemisphere as the parts of the world which are not part of the Old World, there also exist projections which use the 20th meridian west and the diametrically opposed 160th meridian east to define the hemisphere
Equator usually refers to the Earth's equator: an imaginary line on the Earth's surface equidistant from the North Pole and South Pole, dividing the Earth into the Northern Hemisphere and Southern Hemisphere.
prime meridian is a meridian (a line of longitude) in a geographical coordinate system at which longitude is defined to be 0°. Together, a prime meridian and its antimeridian (the 180th meridian in a 360°-system) form a great circle. This great circle divides the sphere, e.g., the Earth, into two hemispheres.
On Earth, an ocean is one of the major conventional divisions of the World Ocean, which covers almost 71% of its surface. These are, in descending order by area, the Pacific, Atlantic, Indian, Southern, and Arctic Oceans.
Guess The word =)
1. E_ _a_ _ _ - dividing the Earth into the Northern
Hemisphere and Southern Hemisphere
2. N_ _ _ _ _o_e - lying diametrically opposite the South Pole
3. _c_ _n_ - is one of the major conventional divisions of the World
4. _r_me_ M_ _i_ _a_ - which longitude is defined to be 0°
5. _ _u_ _e_n _e_ _sp_ _r_ - It contains all or parts of five continents