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Hurricane Earl threatens Eastern Seaboard

In this photograph captured with a digital SLR camera by NASA astronaut Douglas Wheelock, Earl had a distinct eye that spanned about 17 miles (28 kilometers). Most of the storm had a seemingly uniform top, though the bottom edge of the image gives some sense of the towering thunderheads forming over the ocean. <span class=meta>(NASA/ Douglas Wheelock)</span>
September 4, 2010 7:40:11 AM PDT