Rossby Waves (IMAGE) Rubenstein Associates, Inc. Caption Rossby waves on the Sun are waves of vorticity that move in the direction opposite to rotation. Associated flows have amplitudes of about one meter per second that peak in the Sun's equatorial regions. Credit Max Planck Institute for Solar System Research Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.