Saturn's hexagon change in season. These changes were observed by the Cassini spacecraft. One hypothesis, developed at Oxford University, is that the hexagon forms where there is a steep latitudinal gradient in the speed of the atmospheric winds in Saturn's atmosphere. Similar regular shapes were created in the laboratory when a circular tank of liquid was rotated at different speeds at its centre and periphery. The most common shape was six sided, but shapes with three to eight sides were also produced. The shapes form in an area of turbulent flow between the two different rotating fluid bodies with dissimilar speeds. A
A-Sides written by Chris Cornell, except where noted. Soundgarden Production A-Sides A-Sides is a compilation album by the American rock band Soundgarden with songs spanning the band's thirteen-year career. It was released on November 4, 1997, through A&M Records. The album was released in 1997 on A&M Records and was Soundgarden's last official release for 13 years, until 2010's "Telephantasm". It debuted at number 63 on the "Billboard" 200 album chart. "A-Sides" has sold over 500,000 copies in the United States according to Nielsen SoundScan and over 700,000 copies worldwide, but has not yet been certified by the RIAA. It peaked