The Caloris Basin, shown here in a 1 kilometer per pixel mosaic, is one of the largest basins in the solar system, its diameter exceeds 1300 kilometers and is in many ways similar to the great Imbrium basin on the Moon (diameter >1100 kilometers). To enhance landforms a highpass filter was used in processing.
Image Number: NASA-PIA02439
Credit: NASA/JPL/Northwestern University
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