Geomagnetic declination is the angle formed by the intersection of the line connecting the Earth’s North and South Pole and the line connecting the Earth’s magnetic North and South Pole. Shen Kuo, a…
What You Need To Know About China
Geomagnetic declination is the angle formed by the intersection of the line connecting the Earth’s North and South Pole and the line connecting the Earth’s magnetic North and South Pole. Shen Kuo, a…