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Visible Satellite Images
a picture of the earth
[Image: example visible satellite image (138K)]
Visible images represent the amount
of sunlight being scattered back into space
by the clouds, aerosols, atmospheric gases, and the Earth's surface.
Thicker clouds have a higher reflectivity (or albedo) and
appear brighter than thinner clouds on a visible image.
However, it is difficult
to distinguish among low,
clouds in a visible satellite image, since they
can all have a similar albedo
and for this distinction,
infrared satellite images are useful.