The Black Marble: Stunning New Orbital Views of Earth at Night
This image of Asia and Australia at night is a composite assembled from data acquired by the Suomi NPP satellite in April and October 2012. Credit: NASA, NOAA, and the Department of Defense.
Two months of night-time imagery gathered by the Suomi NPP satellite have resulted in a stunning new look at Earth at night, appropriately nicknamed the Black Marble.
The nighttime views were made possible by the new satellite’s “day-night band” of the Visible Infrared Imaging Radiometer Suite. VIIRS detects light in a range of wavelengths from green to near-infrared and uses filtering techniques to observe dim signals such as city lights, gas flares, auroras, wildfires, and reflected moonlight. In this case, auroras, fires, and other stray light have been removed to emphasize the city lights.
“This is not your father’s low light sensor!” said Steve Miller, senior research scientist and deputy director of the Cooperative Institute for Research in the Atmosphere (CIRA), Colorado State University, speaking at the American Geophysical Union conference this week.
See more views and a video presentation of the VIIRS data below:
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Read the rest of The Black Marble: Stunning New Orbital Views of Earth at Night (284 words)
© nancy for Universe Today, 2012. | Permalink | 2 comments |
Post tags: Earth, earth at night, Earth Observation, Satellites, Suomi NPP
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2012-12-05 17:45:16
Source: http://www.universetoday.com/98837/the-black-marble-stunning-new-orbital-views-of-earth-at-night/
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