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because it to differentiate between magnetic north and its self true north this is because every 12000 years or so the magnetic poles of the earth switch sides so if you were to use a compass it would point south as of next year some time. Also true north does actually change to but only in accordance to the movement of the earth and in any case stays roughly in the same direction true north and magnetic north are rarely if ever the same.
What else can I help you with?
What is the north pole also called?
The South Pole is also called the South Terrestrial Pole and Amundsen-Scott Station.
A needle on a compass always point to what pole?
The North Pole.Another AnswerA compass needle points to the location called 'Magnetic North', named to distinguish it from 'True North'. Magnetic North is several hundred miles away from True North.
Does gps indicate true north or magnetic north?
True North
Is wind direction from true north or magnetic north?
True North...
True or false the legislature in the former british colonies in north America was called parliament?
false
True or false Declination is the difference between true north and magnetic north?
True. Declination is the angular difference between true north (the direction of the North Pole) and magnetic north (the direction a compass points towards).
What is the angular difference between true North and magnetic North is called?
There is a general geographical difference, called magnetic declination. In addition, there may be differences that arise locally, as a result of nearby objects that attract a magnet, which is called magnetic deviation. Related links are given below.
How is magnetic declination measured in the northern hemisphere?
It is measured exactly the same in the Southern hemisphere (no difference between the two hemispheres). It is the difference between magnetic north and true north and it varies all over the globe. Magnetic declination (also called magnetic variation) is positive when magnetic north is east of true north (clockwise) and it is negative when magnetic north is west of true north (anti-clockwise).
How does true north relate to sailing?
When sailing a course magnetic bearings are used. However there is a difference between magnetic north and true north called the magnetic variation, this changes year by year and can be a very significant figure depending on your position. It is important therefore to know this to ascertain ones true course.
Is India is a continent of North East of the world?
yes its not quit true but we called that so Belive in your self
What is the difference between true north and magnatic north?
well one is that the true north is the north pole.And the magnetic north is the N on a magnet.
What is the true name for the North Star?
The true name for the North-Star is Polaris.
