Earth Terms

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Line of Latitude 90° from the Poles
Furthest visible point of the surface from the observer's position
How far west or east a position is
How far north or south a position is
An imaginary line stretching between the poles
The point directly below the observer
A point 90° from the Equator. The Axis of the Earth’s rotation.
The north-south line that intersects Greenwich, London
Northern Latitude 23.5° from the Equator
Southern Latitude 23.5° from the Equator
A point directly above the observer's head