Jupiter Unpeeled . ... Credit Copyright: Cassini Imaging Team , Cassini Project , NASA Explanation: Slice Jupiter from pole to pole, peel back its outer layers of clouds , stretch them onto a flat surface ... and for all your trouble you'd end up with something that looks a lot like this. ... In the Cassini movie, which also features guest appearances by moons Io and Europa , the smallest cloud structures visible at the equator are about 600 kilometers across. ... NASA Official: Jay Norris. ...