Imaginary lines that circle the globe

equator

0 degrees latitude

Solstice

1 of 2 days on which sun's ray's strike directly at Tropic of Cancer+ Tropic of Capricorn marking the beginning of summer or winter

Axis of the earth

23.5

GPS

A system that determines the precise position of something on Earth through a series of satellites, tracking stations, and recievers.

66.5 degrees

Arctic Circle

Prime meridian

Divides the world into the eastern and western hemisphere @ 0 degrees longitude.

Equinox

Either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal lengthG

latitude lines

Imaginary lines running horizontally around the globe. Also called parallels, latitude lines are equidistant from each other. Each degree of latitude is about 69 miles (110 km) apart. Zero degrees (0°) latitude is the equator, the widest circumference of the globe. Latitude is measured from 0° to 90° north and 0° to 90° south—90° north is the North Pole and 90° south is the South Pole.

longitude lines

Imaginary lines, also called meridians, running vertically around the globe. Unlike latitude lines, longitude lines are not parallel. Meridians meet at the poles and are widest apart at the equator. Zero degrees longitude (0°) is called the prime meridian. The degrees of longitude run 180° east and 180° west from the prime meridian.

Topic of Capricorn

The southern most point where the sun shines directly overhead.

topic of Cancer

a line of latitude in the northern hemisphere located at 23.5 degrees south, receives a 90 degree angle of insolation on the northern solstice and in the summer at noon.

International dateline

is an imaginary line of longitude generally 180° (degrees) east or west of the Prime Meridian. The International Date Line is where each new day begins.

Minutes and seconds

used with degrees to give exact location