A convection cell on the Sun's surface fades away after approximately:
A) 20 minutes.
B) 28 days.
C) 11 years.
D) 104 years.
Correct Answer:
Verified
Q21: Sunspots always occur in:
A) 13-year cycles.
B) weak
Q22: Sunspots are areas of:
A) strong convection.
B) weak
Q23: The net result of the proton-proton chain
Q24: Which of the following is necessary for
Q25: Which of the following energy transport mechanisms
Q27: Why are sunspots dark?
A) They are moving
Q28: Why does fusion take place at very
Q29: When energy is carried by photons,astronomers call
Q30: Convection in the Sun can be observed
Q31: Which of the following is true of
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