a: our planet ~
b: a bar magnet
What:
"Like most planets in our solar system, the Earth has its own magnetic field. Thanks to its largely molten iron core, our planet is in fact a bit like a bar magnet. It has a north and south magnetic pole, separate from the geographic poles, with a field connecting the two. This field protects our planet from radiation and is responsible for creating the northern and southern lights – spectacular events that are only visible near the magnetic poles."
Useful?
Writer: Not Stated
LCC:
Where:
Date: May 27 2019 10:13 AM
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