These two numbers are closely linked to
a shifting magnetic north, but are essential for airports to direct traffic through all the different runways.
Not exact matches
Good for her Actual compasses are pretty good at giving you direction, as long as you realize that the
north magnetic pole
shifts quite often.
The difference between
magnetic and true
north, called
magnetic declination, varies slightly with time and place, reflecting
shifts in the flow of the molten iron.
The
north magnetic pole in recent years has started
shifting quickly toward Siberia.
Short term solar cycles of the 27 day rotation periods, due to the polarity
shifts in
magnetic flux changes in the solar wind, The moon has a
North / South declinational component as part of it's set of orbital parameters.