Earth’s north magnetic pole has moved — here’s what that means for our navigation systems
The Earth’s north magnetic pole has led scientists on something of a chase over the last century.
This point, which is not the same as geographic north, is critical for compasses as well as plane, submarine, and ship navigation. Yet over the last few decades, magnetic north has moved erratically over Nunavut, Canada, flitting north toward Siberia.
“It’s moving at about 50 km year,” Ciaran Beggan, a scientist from the British Geological Survey in Edinburgh, Scotland, told Reuters. “It didn’t move much between 1900 and 1980, but it’s really accelerated in the past 40 years.”
Source: businessinsider.co.za
Comments