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The Namib Desert bears a scar from a meteorite impact.

"In the vastness of one of the world’s oldest deserts lies a relatively recent geologic feature: the Roter Kamm crater (“red comb” or “red crest/ridge” in German). An astronaut onboard the International Space Station photographed the crater while orbiting over the Namib Desert. It is approximately 130 meters (430 feet) deep and 2.5 kilometers (1.5 miles) in diameter.

Geologists estimate that a meteorite the size of a large motor vehicle soared across the sky and crashed into the sea of red sand dunes approximately 5 million years ago. It created an impact crater that has since been filled with orange and red sand carried in by winds."

Source: earthobservatory.nasa.gov

red crater meteorite namib sand desert impact approximatelymillion