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"A 46-square-mile chunk of the Petermann Glacier on the northwestern coast of Greenland broke off on July 16, and NASA's Aqua satellite caught the whole thing. \nJust one day after the calving, Aqua saw a large opening between the glacier and the iceberg that had broken free. Because the satellite passes over the area multiple times per day, it was able to snap crystal-clear shots of the iceberg slowly drifting downstream. \n\u201CThe floating extension is breaking apart,\u201D said Eric Rignot of NASA's Jet Propulsion Laboratory and the University of California\u2013Irvine. \u201CIt is not a collapse but it is certainly a significant event.\u201D\n\n\n\nBecause the tip of the Petermann Glacier connects to the Arctic ocean, it periodically calves icebergs. Its last notable break was in August 2010 when a massive 100 square miles of ice calved. \nOften described as a large \"ice tongue,\" the 43-mile long glacier is squeezed into a narrow opening that's about 9.3 miles wide.   \nImages courtesy of The Earth Observatory at NASA Goddard Space Flight Center\n\n\n10 Super Hi-Res Photos That Will Blow Your Mind\n\n\n\n\n\n\n\n1. Earth\n\nNASA\u2019s updated \u201CBlue Marble\u201D shot is a 121-megapixel single-shot taken from 22,369 miles away by Russian weather satellite Elektro-L No. 1.\n\n\n\n\n\n\n\n\n\n\n2. Prague\n\nPhotographer Jeffrey Martin shot what was once the largest spherical panorama in the world  from a Prague TV Tower. The image is 192,000 pixels wide and 96,000 pixels tall -- totaling 18.4 gigapixels.\n\n\n\n\n\n\n\n\n\n\n3.Shanghai Skyline\n\nThis is just one gorgeous photo of a Shanghai skylines series. The images are 272.31 gigapixels\n\n\n\n\n\n\n\n\n\n\n4. Rio de Janeiro\n\nThis portion of the word's current largest digital photo by Hong Kong Connection does not do the panoramic 0.15 Terapix image justice. Follow the link to zoom in on various small details hidden deep in the picture. \n\n\n\n\n\n\n\n\n\n\n5. Washington D.C.\n\nPhotographer David Bergman captured Obama's 2009 Inaugural Address with this 1.47 gigapixel panoramic.\n\n\n\n\n\n\n\n\n\n\n6. Space Shuttle Discovery\r\n\nThis is just one of a series of amazing space shuttle Discovery photos taken by National Geographic. This particular photo is 2.74 gigapixels.\n\n\n\n\n\n\n\n\n\n\n7. Vancouver\n\nPhotographer Eric Deis has a number of panoramic, super high resolution photos on this website. This image was shot in Vancouver at the Olympic games.\n\n\n\n\n\n\n\n\n\n\n8. Bryce Canyon National Park\n\nWhat's insane about Max Lyons' photo of Bryce Point in Utah is the fact that it was taken with a 6-megapixel digital camera. Because this is 196 photos streamed together, it's 40,784 x 26,800 pixels in size -- a little more than 1 gigapixel.\n\n\n\n\n\n\n\n\n\n\n9. Machu Picchu\n\nHere is a stunning 4 gigapixel view from \"The Lost City of the Incas,\" taken by photographer Kyle Porter.\n\n\n\n\n\n\n\n\n\n\n10. Galapagos\n\nPhotographer Jason Buchheim is also director of Odyssey Expeditions, where he captures incredible shots like this one of a bait ball of salema fish. The image is about half a gigapixel.\n\n\n\n\n\n\n"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/07/19/petermann-glacier-nasa/>