Earth . Credit/Permission: © User:Sandos / Creative Commons CC BY-SA 3.0 . Image linked to Wikipedia . In 1994 , comet Shoemaker-Levy 9 impacted on Jupiter with catastrophic results. Comet Shoemaker-Levy 9 after it had fragmented. HST, 1993jul01. This HST image shows approximately 20 fragments. Comet Shoemaker-Levy 9 was gravitationally captured