Today is the day of remembrance of Landsat 7 ’s launch , marking 15 years and over 1.7 million double of our changing planet . Tour theUS Geological Survey ’s heading of favourite images , orbrowse the intact solicitation for free .
von Karman maelstrom , mould as winds are pierced by the predominate Alexander Selkirk Island . get byLandsat in 1999 .
learn out more Landsat images in thisbefore - and - afterphotograph twain of the Washington landslide , or learn how these character of images are used to monitorfloods and drought around the nation .
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