How Does Gas Move Within Granules on the Solar Surface

question 47

Multiple Choice

How does gas move within granules on the solar surface?

• A)Gas moves upward in the centres of some cells and downward in others; the gas cools as it passes between individual granules.
• B)The gas is actually motionless. The dark regions are absorption features from gases in the photosphere.
• C)Gas moves upward in the bright cell centres and downward around the darker edges.
• D)Gas moves downward in the bright cell centres and upward around the darker edges.