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The earth's axis is tilted 23.4° relative to the plane of rotation around the sun (It varies from 21.5° to 24.5° with a 41,000 year periodicity.) At the summer solstace (June 20 or 21st) the sun is directly overhead at the Tropic of Cancer and there is 24 hrs. of daylight inside the artic circle.
The area bounded by the Tropic of Cancer on the north and Tropic of Capricorn on the south is known as the "tropics."

See Sunrise - Sunset in Astronomy.

Countries & Territories
Maps:
U. Texas, CIA World Maps (Political Map (pdf))
Lonley Planet, National Geographic

Travel Information:
Lonley Planet, Yahoo, Virtual Tourist, rec.travel

Other Information:
CIA World Factbook
1clic1planet.com
US State Department:
Regions, Travel Warnings, Per Diems
Other: Demographics
Longitude and Latitude

Currency Exchange Rates at:
xe.net and oanda.com

World Tourism Organization (WTO) Statistics Popular World Cities
Popular World Sites
World Crime Rates
Languages
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last updated 21 Nov 2002