The Two-Faced Role of Planetary Magnetic Fields

From SciShow Space.

Given that Earth’s magnetic field helps protect its life-sustaining atmosphere, you might think that the stronger a planet’s magnetic field, the better. But as it turns out, some planets’ relationships with their magnetic fields are a little more complicated.

Hosted by: Caitlin Hofmeister

Thumbnail Credit: NASA/Goddard Space Flight Center (NASA/GSFC)

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Sources:
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Image sources:
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