Refers to the images from the satellite is installed, the machine can be shooting and differentiation of things appear on the surface of the Earth by reflecting heat rays of things on the Earth's surface.
Means images from satellites equipped with imaging can move and distinguish things. On the Earth's surface by reflecting radiant heat on the surface of things.
Mean picture from delivering satellite installation photography can be grandma and population difference of things. The appearance on the earth"s surface by using the reflectivity of the things on the earth"s surface.