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| Mars dust storm grows global | | | The storm is now officially planet-encircling. At Gale Crater, where the Curiosity rover is studying the storm's effects, dust has starkly increased. Meanwhile, the Opportunity rover stays silent. | | |
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Lake Superior sediment-heavy after torrential rains | | | The downpour took place last weekend in parts of the U.S. Upper Midwest - Wisconsin, Minnesota and especially northern Michigan. Satellite images show the effects on Lake Superior, the largest of the Great Lakes of North America. | | |
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