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The photo is NASA IOTD for 2012-01-26 taken from Suomi NPP which orbits at 824Km. That puts the horizon about 3345 Km away from the satellite and the image covers about 30.75% of one side of the earth, so 15.4% of the total.
Last edited by mithrandir; 02-02-2012 at 11:23 PM.
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