Latitude and Longitude Finding Your Location on Earth.

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Latitude and Longitude
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Presentation transcript:

Latitude and Longitude Finding Your Location on Earth

Pinpointing Locations On Earth In order to find exact locations on Earth a system of grid lines is used. (Similar to graph paper). latitude run east/westLines of latitude run east/west around the earth, parallel to the equator. longitude run north/southLines of longitude run north/south through the poles of the earth.

Latitude latitudeThe latitude lines are east/west lines based on the geometry of the earth using the axis of the earth and the equator. –Latitude range is 0 0 to 90 0 –Latitude range is 0 0 to equator is 0 0 latitudeThe equator is 0 0 latitude, (this is the longest distance around the earth traveling on the same latitude line). North Pole is 90 0 North latitudeThe North Pole is 90 0 North latitude. South Pole is 90 0 South latitudeThe South Pole is 90 0 South latitude. Your latitude is the angle created using the axis (center of the earth), the equator and your location.

Latitude Lines

Important Lines of Latitude There are several basic reference lines of latitude on the earth that everyone should be familiar with. These are: –T–The Equator (0 O latitude) – which divides the earth into the north and south hemispheres –T–The Tropic of Cancer (23.5 O North) – which marks the northern end of the tropics, the highest point the sun is directly overhead during the year. –T–The Tropic of Capricorn (23.5 O South) - which marks the southern end of the tropics, the lowest point the sun is directly overhead during the year. –T–The Arctic Circle (66.5 O North) – which marks the northern polar region of the earth that spends part of the year without sun –T–The Antarctic Circle (66.5 O South) – which marks the southern polar region of the earth that spends part of the year without sun.

Longitude longitude Longitude range is 0 0 to 180 0The longitude lines are north/south lines, based on time (the revolution of the earth), using the Prime Meridian and the North and South Poles. Longitude range is 0 0 to LongitudeLongitude lines are all the same length as each one connects the North and South Poles and splits the earth into equal halves – this is why they are often referred to as meridians. Prime Meridian is 0 0 longitude.The Prime Meridian is 0 0 longitude. Prime MeridianThe Prime Meridian passes through Greenwich, England which is the time keeping capital of the world. Your longitude is your time (of the Earth’s rotation) away from the Prime Meridian.

Earth’s Lines of Longitude