Tempel 1 Composite Map

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Arrows a and b point to large, smooth regions. The impact site is indicated by the third large arrow. Small grouped arrows highlight a scarp (a cliff or steep slope along the edge of a plateau) that is bright due to illumination angle. They show a smooth area to be elevated above the extremely rough terrain. The white scale bar in the lower right represents 1 km across the surface of the comet nucleus. The two directional arrows (vectors) in the upper right point to the Sun and Celestial North.

CREDIT: NASA/UMD/M. F. A'Hearn et al., Science 310, 258 (2005); published online 8 September 2005 (10.1126/science.1118923). Reprinted with permission from AAAS. Permission to reproduce.