A giant impact scar dominates the topography of asteroid 4 Vesta determined from Hubble Space Telescope images. The 460-kilometer-wide crater may be the site of origin for about 6 percent of all meteorites arriving at Earth. This image shows color-coded topography of Vesta dominated by the crater and its central peak [maximum relief shown is 24 kilometers from the crater floor (blue) to the surrounding rim (red, white)]. See page 1492. [Image: P. C. Thomas]

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