Figure 7-2Close-Ups of Jupiter’s Atmosphere The dynamic winds, rapid rotation, internal heating, and complex chemical composition of Jupiter’s atmosphere create its beautiful and complex banded pattern. (a) A Voyager 2 southern hemisphere image showing a white oval that has existed for more than 40 years. (b) A Voyager 2 northern hemisphere image showing a brown oval. The white feature overlapping the oval is a high cloud.