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Fig. a. A naive approach to specifying a surface of latitude would be to cut through the Earth in a straight line to form a
plane.
Fig. b. However, it would be more accurate to say that on a spherical Earth, a circle of latitude forms a
cone pointing toward the Earth's center.
Fig. c. But the Earth deviates from a perfect sphere, and instead roughly forms the shape of an
ellipsoid (greatly exaggerated in this image), causing this cone to become truncated. This representation corresponds to "geodetic latitude".
Figure d is apparently not true. See: here.
<
User:Datumizer |
Sandbox
Fig. a. A naive approach to specifying a surface of latitude would be to cut through the Earth in a straight line to form a
plane.
Fig. b. However, it would be more accurate to say that on a spherical Earth, a circle of latitude forms a
cone pointing toward the Earth's center.
Fig. c. But the Earth deviates from a perfect sphere, and instead roughly forms the shape of an
ellipsoid (greatly exaggerated in this image), causing this cone to become truncated. This representation corresponds to "geodetic latitude".
Figure d is apparently not true. See: here.