Rio Vichada Impact Structure, Colombia

Rio Vichada Impact Structure, Colombia
Rio Vichada Impact Structure, Colombia False color Landsat 5 image used by Max Rocca, supported by The Planetary Society, to discover the Rio Vichada Impact Structure, which, though still awaiting final confirmation, appears to be the largest impact structure in South America with an outer ring at 50 km and an inner ring at 30 km diameter. Note the course of the Rio Vichada river in the image which flows around the highly circular structure in the center. USGS

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