How to identify locations on spaceship earth: cook 'em on a grid

Grid: spaceship earth, a photo by trudeau on Flickr.

Navigation terminology -

- Equator, O degrees latitude
- Tropic of Cancer
- Tropic of Capricorn
- Shreveport's about 32N
- NYC about 40n
- Navigation - position can be fixed with a sextant.

- Prime Meridian, O degrees longitude
- Royal Observatory in Greenwich, England
- City of Paris about 3E.
- Shreveport about 94W.
- Intl Date Line
- Navigation at sea requires a chronometer

- At the intersection of 0 degrees latitude and 0 degrees longitude, where are you?
a) North Pole
b) Atlantic Ocean
c) Greenwich, England

Hemispheres:
- Northern
- Southern
- Eastern
- Western
- cerebral