31.0 MB (2.8 MB compressed)
3528 x 3071 pixels
30.0 x 25.9 cm ⏐ 11.8 x 10.2 in (300dpi)
QA INTERNATIONAL / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY QA INTERNATIONAL / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
Unlike the geographic North Pole, which is stationary, the magnetic North Pole moves about 10 to 15 km northwest per year. This movement is probably explained by a fluctuation in the strength and orientation of the magnetic field.
Model release not required. Property release not required.