Oceanography Chapter 3: Mapping and Cartography
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What distance is measured with satellite altimetry?
The distance between a satellite and the surface of the ocean
What shape do most navigational systems use to represent the Earth?
A shape called WGS-1984
Why can angles not be used to measure distance?
Because distance increases at higher elevations
Longitude lines are ...
Defined by Great circles Are equiangular but not equidistant Are also called meridians All of the above
How to you find longitude?
With stars and a clock
