Winds on the giant planets

Winds on the giant planets

. Variation of wind speed and direction as a function of latitude. Since the giant planets have no solid surfaces, the winds are measured relative to the internal rotation speeds; the rotation period is determined from observations of the planet's periodic radio emission. Positive velocities correspond to winds blowing in the same direction but faster than the internal rotation; negative velocities are winds moving more slowly than the rotation. The winds are faster on Saturn than any other planet. (Courtesy of Andrew P. Ingersoll.)

Copyright 2010, Professor Kenneth R. Lang, Tufts University