From the stack of forgotten hits…
My memorial to the crash of Comet Shoemaker-Levy 9 continues with an event that occurred on July 18, 1994 when Fragment G of SL 9 slammed into Jupiter with an explosive yield of 6 million megatons, leaving a 7,500-mile-wide dark spot (nearly big enough to swallow the Earth). It’s impossible to imagine what such an explosion–“750 times the world’s arsenal”–would be like on Earth (instant global warming, followed quickly by global burning, and ending with global cindering?) but the photos here, here, and here give an indication of how Jupiter-shattering it was.
The impacts began on the 16th and continued until the 22nd. Fragment G was the largest strike, but a couple of hits 12 hours apart on the 19th left dark patches similar in size to that caused by fragment G. For more info, visit NASA’s Shoemaker-Levy 9 page.
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