Several of the Jovian Planets Appear to Be Emitting More

question 21

Multiple Choice

Several of the Jovian planets appear to be emitting more energy than they absorb from solar radiation.What is the reason for this?

• A) Rapid rotation is generating excess energy by friction between the planetary atmospheres and the interplanetary medium.
• B) Excess energy comes from impact energy of meteoroids hitting the planetary atmospheres.
• C) The solar wind deposits energy into the planetary atmospheres,and this energy is reradiated.
• D) They are still cooling and contracting from their original formation.

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