Satellite captures 'black marble' view of Earth at night
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The resolution is far sharper than what has been available previously.
VIIRS is aboard the Suomi NPP satellite, which orbits about 500 miles (800 km) above Earth's poles.
Scientists used the day-night sensor to watch the superstorm Sandy, illuminated by moonlight, hit the New Jersey shore on Oct. 29. It also captured the power outages that plunged the
area into darkness as the storm tore into populated areas. The National Weather Service is starting to use the VIIRS day-night sensor to forecast fog in coastal regions, including San Francisco. Some VIIRS images have surprised scientists. The sensor, for example, captured light from the upper atmosphere illuminating clouds and ice in visible wavelengths - by night. Link to images:
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