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Sun
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Granules
on Sun caused by convection
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convection
is known by Jeff as the "lava lamp"
effect
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Sunspots
caused by: wound up magnetic field
-
Recall
black body radiation: the hotter something is the brighter it gets
-
So,
are sunspots cooler or hotter than the rest of the photosphere (surface
of the sun)?
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number
of spots cycle every 11 years
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Sun
steadily releases charged particles that flow outward
-
called
the: Solar Wind
-
source
of particles that cause auroras
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