The earth Flashcards
The flattening of the poles is called?
Compression
Radio waves follow what kind of track?
great circle track
The lines that join the north and south poles?
Lines of longitude, or meridians.
When given coordinates, which are always given first?
Latitude
Convergency is zero at the -
And increases towards the -
equator
poles
The track that will cut each meridian and the same angle?
A rhumb line track
between a rhumb line and great circle track, which will provide the shorter distance?
Great circle track
The lines, which start at 0 degrees at the equator, that move 90 degrees north and south of the equator is?
Parallels of latitude
When given coordinates, which are always given first?
Latitude
Latitude is measured north and south of the equator along -
a meridian
Longitude is measured east and west along a -
parallel of latitude
Convergency is zero at the -
And increases towards the -
equator
poles
One minute of latitude =
one nautical mile
Bearings are always measured -
clockwise
The value of variation at a particular place on the earth can be determined by reference to -
an isogonal
