(This image provided by NASA taken early on Wednesday Aug. 29, 2012 by the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi-NPP satellite shows this nighttime view of Hurricane Isaac and the cities near the Gulf Coast of the United States. The image was acquired at 2:57 a.m. EDT by the VIIRS �day-night band,� which detects light in a range of wavelengths from green to near-infrared and uses light intensification to enable the detection of dim signals. In this case, the clouds of Isaac wer)
