article_snippet: winds pushing a 'wave' of clouds on the planet move faster at higher altitudes, creating the odd shape . '
article_snippet: winds pushing a 'wave' of clouds on the planet is painstaking to compare radar images to search for evidence of change,' said Bruce Campbell, a senior scientist at the Smithsonian's National Air and Space Museum in Washington, . '
article_snippet: Last week researchers say researchers have an answer - high intensity winds are distorting a 'wave' of clouds to produce a stretched effect.
article_snippet: This ultimately gives rise to this 'Y' shape, as the clouds at the top and bottom of the shape are moved more quickly.