More than half the Arctic's coastline is Russian territory and in the last six years Moscow has built more than 475 military bases along its northern border.
The location of the magnetic north pole was first discovered in 1831 by Arctic explorer James Clark ... rely on highly accurate magnetic field maps for navigation. Companies update navigation ...
We use imaginary lines to help locate where a place is in the world. the Arctic Circle (the North Pole) the Antarctic Circle (the South Pole) the Tropic of Cancer the Tropic of Capricorn and the ...