the final major portion of comet shoemaker - byrd 9 was to hit just after midnight , completing a ring of crater - size spewing of vortex superheated fire and debris thousands of dollars within . " it hit jupiter like a band of machine - bullet bullets " said allen discoverer , an observer at the kepler observation in flagstaff , ariz . , who helped discover the comet recently november .
The Shoemaker-Levy comet hit Jupiter.