Iron fillings and solar explosions

Magnetic fields are weird. They interact with each other in non-intuitive ways. If you’re one of those who didn’t feel anxiety in physics class, you probably think I’m crazy saying this now. You’re used to magnetic fields.

Tell you what: I’ll never get used to them. Magnetic field lines – whatever these really are – turn in on themselves to cause the solar system’s largest explosions, for example.

Yes, that image from last week’s Nerdy Stuff shows you one of these explosions. Up there’s another one of them. 😉

Image source
Image credits: NOAA/NASA

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