Earth is surrounded by a magnetic field generated by electric currents from within the planet. Compasses take advantage of this field to identify north and serve as a navigational aid. But one social ...
Our planet’s northern magnetic pole is not only racing toward Siberia at about 34 miles per year, it has been to Antarctica several times in the last million years—and it’s due to flip again. This isn ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results