Figure 2 (IMAGE) American Physical Society Caption a) Simulation of fireball and plume evolution after impact of 3-km water ice fragment with times in minutes. b) Hubble images at times after impact for similarly sized fragment. Credit Boslough, Crawford 1997, Fig. 6, Copyright 2006, John Wiley and Sons. NASA and Space Telescope Science Institute acknowledged for Hubble image. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.