Everything about The Northern Hemisphere totally explained
The
Northern Hemisphere is the half of a
planet that's
north of the
equator—the word
hemisphere literally means 'half ball'. It is also that half of the
celestial sphere north of the
celestial equator.
Earth's northern hemisphere contains most of the land and most of the
human population (about 90%).
Geography and climate
See also Arctic, Temperate zone, Tropics, Seasons and Climate
Due to the
Earth's
axial tilt, winter lasts from the
winter solstice (typically
December 22) to the
vernal equinox (typically
March 20) whilst summer lasts from the
summer solstice (typically
June 21) through to the
autumnal equinox (typically
September 21).
The Arctic is the region north of the
Arctic Circle. Its climate is characterized by cold winters and cool summers. Precipitation mostly comes in the form of snow. The Arctic experiences some days in summer on which the sun never sets, and some days in winter on which the sun never rises. The duration of these phases varies from one day for places right on the Arctic Circle to several months near the
North Pole itself.
Between the Arctic Circle and the
Tropic of Cancer lies the
Northern Temperate Zone. The changes in these regions between summer and winter are generally mild, rather than extreme hot or cold. However, a temperate climate can have very unpredictable weather.
Tropical regions (between the Tropic of Cancer and the
Equator) are generally hot all year round and tend to experience a
rainy season during the 'summer' months, and a
dry season during the 'winter' months.
Hurricanes and
tropical storms spin
anti-clockwise in the northern hemisphere due to the
Coriolis effect. In contrast they spin
clockwise in the southern hemisphere. The shadow of a sun dial moves clockwise in the northern hemisphere (opposite of the southern hemisphere). During the day the sun tends to raise to its maximum at a southerly position, where as in the southern hemisphere it raises to a maximum that's northerly in position (as it tends towards the direction of the equator). In both hemispheres the sun rises in the east and sets in the west.
Also the
Moon appears "upside down" compared to a view from the southern hemisphere and the view of the stars is different. The North Pole faces away from the galactic centre of the
Milky Way, this results in there being far fewer and less bright visible stars in the northern hemisphere compared to the
Southern Hemisphere, making the northern hemisphere more suitable for deep-space observation as it isn't 'blinded' by the Milky Way.
List of continents and countries
Continents
African countries
Entirely
Mostly
Equatorial Guinea
Kenya
São Tomé and Príncipe
Somalia
Uganda
Partly
Democratic rep of Congo
Gabon
Republic of Congo
South American countries
Wholly
French Guiana
Guyana
Suriname
VenezuelaMostly
ColombiaPartly
Brazil
Ecuador
Oceania
Further Information
Get more info on 'Northern Hemisphere'.
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