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A Curve in the River

Filed under Planetary Society, Earth, Earth impact hazard, near-Earth asteroids, geology

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A Curve in the River A Landsat 5 image of the semi-circular path of the Vichada River in eastern Colombia. The perfect curve caught the attention of geologist Max Rocca, who suggested it could be the outer boundary of an impact crater

NASA

Original image data dated on or about February 13, 2010

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