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Radar Bright

This pair of images shows a region in Aphrodite Terra. The left image was taken in November 1990 and the right image in July 1991. In the center of the right image lies a bright, flow-like area extending to the left of a bright fracture. When the bright rough area appeared, the fracture seemed to change position from when the image on the left was taken. Some scientists thought a “Venusquake” had occurred, causing a landslide (the bright area) to form. Later analyses indicated that the apparent changes in the surface were due to differences in radar illumination.

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