What is the lifetime of a typical sunspot?
A) a few months
B) here today, gone tomorrow!
C) 11 years
D) from a few years to a few decades
Correct Answer:
Verified
Q81: The heliosphere is a bubble in space
Q84: The umbra of a sunspot is about
Q93: Sunspots appear dark because they
A) are coronal
Q94: What is the structure of a typical
Q96: The heliosphere is the:
A) region surrounding Earth,
Q100: Sunspots are seen to be cooler than
Q101: How can we characterize the rotation of
Q102: The average sunspot group on the solar
Q103: What is the Zeeman effect?
A) the generation
Q104: Differential rotation has been observed on all
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