Figure: Jupiter showing SL9 impact sites (HST image).

Brown spots mark the places where fragments of Comet Shoemaker-Levy 9 tore through Jupiter's atmosphere in July 1994.

Credit: Hubble Space Telescope Comet Team, NASA and ESA.
That material was created for NASA by STScI under Contract NAS5-26555 and for ESA by the Hubble European Space Agency Information Centre.

http://en.wikipedia.org/wiki/Image:Jupiter_showing_SL9_impact_sites.jpg

For information and pictures on the Comet Shoemaker-Levy 9 at Wikipedia, click here.