Use a combination of open and proprietary sources at zoom level 13+, including Maxar's Vivid product for most of the world, Nearmap aerial imagery of US cities, and open aerial imagery from Denmark, France, Germany, and elsewhere.
Globe Earth provides map zoom levels 0-22, using de-cloud data from NASA MODIS satellites at zoom levels 0-8.
Globe Earth satellite images come from a variety of sources, and the original images are color corrected to look realistic.
Maxar satellite imagery and NASA/USGS Landsat 5 and 7 imagery are mainly used in limited locations at zoom levels 9-12.
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