Unique 'Sideways Tornadoes' Shaped The Landscape Of Mars, New Study Shows (Synopsis)
"This would be like an F8 tornado sweeping across the surface. These are winds on Mars that will never be seen again unless [there is] another impact." -Peter Schultz When you examine craters on the surfaces of worlds across the solar system, you find that there are rays emanating outward, containing a mix of ejecta from the impactor and the surface itself. But there’s a limit to how far those rays go, and that’s normally dependent on the size of the crater. In a few instances on Mars, however, those rays go much, much farther than physics would indicate.
Source: scienceblogs.com