Images from the Russian Elektro-L No.1 meteorological satellite of Earth are the most detailed images to date and reach 121 megapixels. The color scheme comes from the image capture method, which combines data from three wavelengths of visible light and one infrared wavelength when it takes full-size images of the Earth every 30 minutes.
Unlike NASA’s Blue Marble—which is a composite made from many different photographs—this is a portrait of Earth taken in one single shot. The orange you are seeing here is the vegetation.
Be sure to check a zoomable version of the image here to see the detail for yourself.
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