... Credit: NASA , ESA , H. Hammel (Space Science Institute, Boulder, Co.), and the Jupiter Impact Team Explanation: This sprawling dark marking is Jupiter's latest impact scar, a debris plume created as a small asteroid or comet disintegrated after plunging into the gas giant's atmosphere. ... Similar impact markings were created when pieces of Comet Shoemaker-Levy 9 slammed into Jupiter's cloud bands in July of 1994. ... Publications with keywords: impact - comet - asteroid . ... Jupiter s Impact Scar...