DETLEV VAN RAVENSWAAY / SCIENCE PHOTO LIBRARY DETLEV VAN RAVENSWAAY / SCIENCE PHOTO LIBRARY
Venus. Synthetic aperture radar map of the surface of Venus, showing the Sacajawea Tatera caldera. Rough areas appear bright, flat ones dark. Sacajawea Tatera is a large, elongated caldera located in Western Ishtar Terra on the south plateau. It is a depression approximately 1-2 kilometres deep and 120 x 215 km in diameter. It is thought to have been formed by a collapse of a large magma chamber. This map was created using data gathered by the Magellan radar-mapping spacecraft.
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