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.

Question

Quizplus · Accepted Answer

Jovian planets are still cooling and contracting from their original formation, which results in the release of excess heat energy. This causes them to emit more energy than they absorb from solar radiation.

Several of the Jovian Planets Appear to Be Emitting More