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October 3, 2012
The left-hand image is a Dawn FC (framing camera) image, which shows the apparent brightness of Vesta’s surface. The right-hand image is based on this apparent brightness image, which has had a color-coded height representation of the topography overlain onto it. The topography is calculated from a set of images that were observed from different viewing directions, which allows stereo reconstruction. The various colors correspond to the height of the area. The white and red areas in the topography image are the highest areas and the blue areas are the lowest areas. Teia crater (indicated by the white arrows) is in the left side of the image and is roughly 7 kilometers (4 miles) in diameter. The shape of Teia’s rim resembles that of a heart, which is upside down in this image. Slumping of material possibly caused this unusual shape. The bright part of Teia is a slump of material covered by boulders. The bottom rim of Teia covers an older, more degraded, crater and streaks originate from many sides of Teia. The topography image shows that Teia crater hit the bottom part of a hill, which is colored white and red. These images are located in Vesta’s Numisia quadrangle, a few degrees below Vesta’s equator. NASA’s Dawn spacecraft obtained the apparent brightness image with its framing camera on Oct. 12, 2011. This image was taken through the camera’s clear filter. The distance to the surface of Vesta is 700 kilometers (435 miles) and the image has a resolution of about 70 meters (230 feet) per pixel. This image was acquired during the HAMO (high-altitude mapping orbit) phase of the mission. These images are lambert-azimuthalmap projected. The Dawn mission to Vesta and Ceres is managed by NASA’s Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, for NASA’s Science Mission Directorate, Washington D.C. UCLA is responsible for overall Dawn mission science. The Dawn framing cameras have been developed and built under the leadership of the Max Planck Institute for Solar System Research, Katlenburg-Lindau, Germany, with significant contributions by DLR German Aerospace Center, Institute of Planetary Research, Berlin, and in coordination with the Institute of Computer and Communication Network Engineering, Braunschweig. The framing camera project is funded by the Max Planck Society, DLR, and NASA/JPL. Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA