The figure shown below, taken at visible wavelengths, shows a section of the Sun with sunspots visible.Which of the labeled regions is the lowest temperature? 
A) region A
B) region B
C) region C
D) They are all the same temperature.
E) We would also need an X-ray image to determine relative temperatures.
Correct Answer:
Verified
Q42: In a sunspot, the umbra is
A) hotter
Q43: Sunspots appear dark because they have _
Q44: In the figure below, one can see
Q45: The Sun's corona has a temperature of
Q46: The hottest layer of the solar atmosphere
Q48: Which of the following are created by
Q49: What force shapes the Sun's corona?
A) gravity
B)
Q50: Which of the layers of the Sun
Q51: The solar spectrum is an example of
Q52: We know the Sun's corona is very
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