Hemisphere refers to: * A half of a sphere

As half of the 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 ** Land and water hemispheres * 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 * A

cultural hemisphere Culture () is an umbrella term which encompasses the social behavior, institutions, and norms found in human societies, as well as the knowledge, beliefs, arts, laws, customs, capabilities, and habits of the individuals in these groups.Ty ...

As half of the brain

* A cerebral hemisphere, 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, 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 {{disambiguation Hemispheres