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About the Cover


Eastern Aphrodite Terra, Venus, looking south across Miralaidji corona (image, ˜300 kilometers across). Foreground lineaments represent crustal fractures; rectangles indicate missing data. The blistering of eastern Aphrodite Terra by magma diapirs indicates that it is neither a divergent nor a convergent plate boundary as previously interpreted. See page 526. [Image: David P. Anderson, Southern Methodist University, using NASA Magellan SAR and altimetry data; vertical exaggeration, 20 times]


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Science. ISSN 0036-8075 (print), 1095-9203 (online)