来自MSN1 个月
The Earth’s Magnetic North Pole Is Moving — Here's What That Means for the Planet
Besides the geographic North Pole — an area that some children worldwide ... for decades without much notice from anyone living above the surface. Sometimes the magnetic North Pole and South ...
BBC9 个月
What is latitude and longitude?
The North Pole is 90°N and the South Pole is 90°S. Image caption, The globe above shows the Northern and Southern Hemispheres divided by the Equator. The Arctic Circle surrounds the North Pole ...