What is a filament on the Sun?
A) a plage near the end of its life, when it is fading away
B) a prominence seen in silhouette against the photosphere
C) a dark sunspot that has been stretched by solar differential rotation
D) a spicule seen in profile near the edge of the Sun's limb
Correct Answer:
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Q160: What causes plages?
A) compression and heating of
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A) a sudden eruption
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