... Saturn Storm by Ringshine . ... Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA Explanation: Imaged on the night side of Saturn by the Cassini spacecraft , these swirling storm clouds are illuminated by ringshine - sunlight reflected from the gas giant's magnificent ring system . ... When the storm was on the same side of Saturn as the Cassini spacecraft, bursts of radio noise were detected, suggesting lightning discharges connected with the storm were responsible for the radio emission. ...