Earth's ring current. The view is looking down on the planet's north pole; the white lines show the Earth's position and orientation. The ring doesn't rotate with the planet, but remains fixed relative to the Sun. Credit: NASA
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Earth's ring current. The view is looking down on the planet's north pole; the white lines show the Earth's position and orientation. The ring doesn't rotate with the planet, but remains fixed relative to the Sun. Credit: NASA |
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