Astronauts on board the International Space Station snapped this picture of the Ouarkziz Impact Crater in northwestern Algeria, the site of a meteor crash that occurred less than 70 million years ago, during the time when dinosaurs still inhabited the Earth. A stream channel that cuts through the rim of the crater formed following the impact The crater is about 3.5 kilometers across.
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Image: NASA via Ross Andersen.
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Rebecca J. Rosen is a senior editor at The Atlantic, where she oversees the Family and Education sections. She was previously an associate editor at The Wilson Quarterly.