If Granulation on the Sun's Surface Is a Result of Convective

question 169

Multiple Choice

If granulation on the Sun's surface is a result of convective motion below it, with material upwelling at cell centers and returning between the cells, what is the expected temperature distribution across a granular cell?

• A) The center of the cell will be cooler than the edges.
• B) The center of the cell will be hotter than the edges.
• C) Alternate cell centers will be hot and cold, with the edges at an intermediate temperature.
• D) The temperature will be uniform across the cell because the photosphere conducts heat readily.

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