Hemisphere refers to: * A half of a

sphere A sphere () is a Geometry, geometrical object that is a solid geometry, three-dimensional analogue to a two-dimensional circle. A sphere is the Locus (mathematics), set of points that are all at the same distance from a given point in three ...

As half of the Earth

* A hemisphere of Earth **

Northern Hemisphere The Northern Hemisphere is the half of Earth 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 Nort ...

** Southern Hemisphere **

Eastern Hemisphere The Eastern Hemisphere is the half of the planet Earth which is east of the prime meridian (which crosses Greenwich, London, United Kingdom) and west of the antimeridian (which crosses the Pacific Ocean and relatively little land from pole to pol ...

Western Hemisphere The Western Hemisphere is the half of the planet Earth that lies west of the prime meridian (which crosses Greenwich, London, United Kingdom) and east of the antimeridian. The other half is called the Eastern Hemisphere. Politically, the term We ...

Land and water hemispheres The land hemisphere and water hemisphere are the hemispheres of Earth containing the largest possible total areas of land and ocean, respectively. By definition (assuming that the entire surface can be classed as either "land" or "ocean"), the ...

* A half of the (geocentric)

celestial sphere In astronomy and navigation, the celestial sphere is an abstract sphere that has an arbitrarily large radius and is concentric to Earth. All objects in the sky can be conceived as being projected upon the inner surface of the celestial sphere, ...

** Northern celestial hemisphere **

Southern celestial hemisphere The southern celestial hemisphere, also called the Southern Sky, is the southern half of the celestial sphere; that is, it lies south of the celestial equator. This arbitrary sphere, on which seemingly fixed stars form constellations, appears ...

* A cultural hemisphere

As half of the brain

* A

cerebral hemisphere The vertebrate cerebrum (brain) is formed by two cerebral hemispheres that are separated by a groove, the longitudinal fissure. The brain can thus be described as being divided into left and right cerebral hemispheres. Each of these hemispheres ...

, a division of the cerebrum * A half of the

cerebellum The cerebellum (Latin for "little brain") is a major feature of the hindbrain of all vertebrates. Although usually smaller than the cerebrum, in some animals such as the mormyrid fishes it may be as large as or even larger. In humans, the cerebel ...

, a smaller part of the brain

Other

* ''Hémisphère'' (Paradis), a 12-inch album by French artists Paradis * ''Hemispheres'' (magazine), an inflight publication * ''Hemispheres'' (TV series), Canadian and Australian news program * ''Hemispheres'' (Rush album), 1978 * ''Hemispheres'' (Lily Afshar album), 2006 * ''Hemispheres'' (Doseone album), 1998 * L'Hemisfèric at the

Ciutat de les Arts i les Ciències The City of Arts and Sciences ( vl, Ciutat de les Arts i les Ciències ; es, Ciudad de las Artes y las Ciencias ) is a cultural and architectural complex in the city of Valencia, Spain. It is the most important modern tourist destination in the ...

, Valencia, Spain *

Hemisphere Project The Hemisphere Project, also called simply Hemisphere (codename ''Hudson Hawk''), is a mass surveillance program conducted by US telephone company AT&T and paid for by the White House Office of National Drug Control Policy and the Drug Enforcement ...

, a counternarcotics program between United States federal and state drug officials and

AT&T AT&T Inc. is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company by revenue and the third largest provider of mobile tel ...

{{disambiguation Hemispheres