Comet Shoemaker-Levy/Jupiter collision. Colour image made by the Hubble Space Telescope (HST) showing numerous impact sites following the arrival of fragments of Comet Shoemaker-Levy 9 at Jupiter in July 1994. The impact sites are the dark brown areas in a line from upper left to lower right. On the limb at upper left is Impact E/F (17/18 July). At centre is the star-shaped site of Impact H (19.26 GMT, 18 July). At lower right are three large sites (l-r); Impact Q1 (19.59 GMT, 20 July), Impact R (05.22 GMT, 21 July) and the merged Impacts D/G (17/18 July). Just above centre is Jupiter's Great Red Spot.