Understanding Sunspots. What is a Sunspot?. The Sun’s Visible Surface. The Lower Atmosphere. The Sun in Hydrogen- a. The Upper Atmosphere. A Typical Sunspot in “White Light”. Sunspot Detail. Sunspot Model. Objects that are hotter are brighter. Which bulb is hotter? Which
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The Lower Atmosphere
The Upper Atmosphere
Objects that are hotter are brighter. Which bulb is hotter? Which
is hotter, the sun’s surface or a sunspot? How do you know?
But, what causes sunspots?
The sun rotates faster at its equator than at its poles. The sun’s
strong magnetic field gets wound up causing part of the fields to rupture the surface where they cause sunspots.
Fast-moving charged particles are deflected by magnetic fields.
The magnetic fields of sunspots deflect hotter gases allowing
only cooler gases that experience less of this deflective force.
that we see
to do with
Why do we have a sunspot cycle?