NASA
NASA

NASA’s Terra satellite captured this image of Saharan sand blown off the coasts of Mauritania and Senegal in June 2009. A dust plume of about 95 miles stretches southwest, while another reaches all the way to Cape Verde. Thinner but larger plumes of dust linger over the Atlantic, west and north of the island archipelago. The dust is responsible for respiratory illnesses, but also provides soil to the Caribbean islands and the Amazon rainforest.

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