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This spectacular " blue marble " image is the most detailed true color image of the entire Earth to date Using a collection of satellite based observations , scientists and visualizers stitched together months of observations of the land surface , oceans , sea ice , and clouds into a seamless , true color mosaic of every square kilometer ( 386 square mile ) of our planet These images are freely available to educators , scientists , museums , and the public This record includes preview images and links to full resolution versions up to 21 , 600 pixels across Much of the information contained in this image came from a single remote sensing device NASAs Moderate Resolution Imaging Spectroradiometer , or MODIS ? |