Sunspots come in pairs with opposite magnetic polarity. If we could bury a giant horseshoe magnet beneath the surface of the Sun, it would produce a magnetic field similar to that generated by a sunspot pair.
Windows to the Universe original artwork by Randy Russell using an image from NASA.

If we could put a giant horseshoe magnet inside of the Sun, it would make a magnetic field a lot like the magnetic field that two sunspots make. Sunspots tend to come in pairs. One sunspot is like the North pole of a magnet; the other sunspot is like a South pole.
Windows to the Universe original artwork by Randy Russell using an image from NASA.

Sunspots have strong magnetic fields. It is almost like someone put a giant horseshoe magnet inside of the Sun!
Windows to the Universe original artwork by Randy Russell using an image from NASA.

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