Latitude and Longitude are the coordinates that describe
any position or location on the earth's surface.   If an explorer,
pilot, or ship's captain needs to specify an exact location,
Latitude and Longitude are the coordinates they use.
Demo One We're All About Latitude & Longitude
Coordinates Plaque
Empire State Building
350 Fifth Avenue
New York, New York
Empire State Coorfinates
John Harrison
Longitude  (lon'jitOOd)
Lines of Longitude measure location east or west of the prime meridian and pass
through Greenwich, England.  Zero degrees longitude (0°) is the prime meridian. Lines
of Longitude run vertically around the globe, 180° east and 180° west from the prime
meridian. For every 15° of longitude one travels eastward, the local time moves ahead
one hour-  local time moves back one hour for every 15° travelling west. Buy knowing the
local times at two points on Earth, we can calculate how far apart those places are in
longitude, east or west.
John Harrison
Discovered how to compute
longitude at sea.
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Produced by A&E
New York, NY 10112
Lat: 40.75 ( 40° 45' )
Lon: -73.9 ( -73° 58' )
Lat- Lon is measured by degrees ( ° ), minutes ( ' ),
and seconds (
" ). The Earth’s sphere totals 360 degrees and
each degree is divided into 60 minutes, and in turn each
minute is divided into 60 seconds.
Latitude  (lat'i-tOOd)
Lines of Latitude, or parallels of latitude, measure location north or south of the
equator. Latitude lines are equidistant from each other and 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.  Latitude is always listed before Longitude.
Atlas at Rockefeller Center
Latitude Longiotude Grid
This fifty-foot statue of Atlas by Lee
Lawrie was erected in 1937 at
Rockefeller Center on Fifth Avenue in
New Your City. The statue is a tribute
to man’s quest to solve one of the
most challenging scientific problem of
the seventeenth and eighteenth
centuries- how to precisely navigate
the globe.   
Watch Video to Learn the Basics
of Latitude & Longitude
"When I'm playful I use the meridians of
longitude and the parallels of latitude... and
drag the Atlantic Ocean for whales."
Mark Twain, Life on the Mississippi
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