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The Americas. Satellite image of the Earth seen at 18:00 (6pm) GMT (UTC), centred on the Caribbean. Oceans are blue and land is green and brown. North America is at upper left and South America is at lower right, with the Atlantic Ocean at right and the Pacific Ocean at left. Image obtained using data from Landsat 5 and Landsat 7 satellites. (KEYSTONE/SCIENCE PHOTO LIBRARY/PLANETOBSERVER)