Northern Hemisphere

As the northern hemisphere - or northern hemisphere, northern hemisphere or the northern hemisphere - the part of the earth called, which is located north of the equator. The latitude has the sign of N. The northern hemisphere is the counterpart to the southern hemisphere.

The astronomical summer takes on the Northern Hemisphere from June 21 to 21-22. September and the winter of 21-22. December to 20-21. March. North of the Tropic of Cancer, the highest sun position always remains in the south, below the zenith. The astronomical equivalent of the northern hemisphere of the earth is on the celestial sphere of the northern sky.

The northern hemisphere has, since it is significantly more water than land area, but much more land area than the southern hemisphere in many parts of the country Hemisphere. The land area is 39%, while the water 61%. The main parts of the country are the continents of Europe, Asia - the largest continent on earth - and North America, as well as the greater part of Africa, a part of South America and by far the largest island in the world, Greenland. The world's oceans are the Arctic Ocean, about half of the Pacific and the Atlantic Ocean and a small part of the Indian Ocean.

Due to the Coriolis force always rotate in the northern hemisphere low pressure areas and also, for example, hurricanes, according to the baric wind law ( almost) counterclockwise.

The center of the northern hemisphere and the north polar region is the geographic North Pole - the northern intersection of the Earth's axis with the Earth's surface. The Arctic magnetic pole migrates within the Arctic circle. The aurora of the northern hemisphere is called aurora borealis, northern lights in German.