Thứ Ba, 5 tháng 2, 2019

NPR News: As Magnetic North Pole Zooms Toward Siberia, Scientists Update World Magnetic Model

As Magnetic North Pole Zooms Toward Siberia, Scientists Update World Magnetic Model
The magnetic north pole has been drifting away from the Canadian Arctic at a brisk 55 kilometers — about 34 miles — per year, with ramifications for military and civilian travelers.

Đọc thêm tại NPR
at February 5, 2019 at 09:27AM
Health & Science

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