article_snippet: On Venus strong winds move the upper atmosphere 225 mph (360km/h), circling the planet every four to five Earth days.
article_snippet: But the planet takes almost 243 Earth days to complete an orbit - meaning strong winds are much faster than the rotation speed of the planet.
article_snippet: strong winds have a mostly constant speed at different latitude, but nearer the pole they circle the planet quicker as the circumference of the planet is smaller.