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  Image: Geographic Location Direction Photo #: ISS033-E-20288 Date: Nov. 2012
Geographic Region: SAUDI ARABIA

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  View Low-Resolution Image  
  Riyadh, Saudi Arabia, at Night

Note: This caption refers to the image versions labeled "NASA's Earth Observatory web site".

The population of Riyadh, the capital city of Saudi Arabia, has risen dramatically in the last half century, from 150,000 in 1960 to an estimated 5.4 million in 2012. The city appears as a brightly colored patchwork in this night time astronaut photograph. The brightest lights, apart from those on the old Riyadh Airbase at image center (the new international airport is far outside the city and not shown here), follow the commercial districts along King Abdullah Road and King Fahd Branch Road. Many of the darker patches within the built area are city parks.

University sectors stand out with different street and light patterns, as seen in the King Saud University campus which houses the Arabic Language Institute, and the Princess Nora Bint Abdul Rahman University which is the largest all-female university in the world. Highways and various ring roads also stand out in night imagery due to bright regular lighting. Lighted developments beyond the ring roads mark the growth of the city (image lower left and lower right). Newer neighborhoods, set further from the city center, are recognizable by blue-gray lightning (ex. image right).
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Images: All Available Images Low-Resolution 596k
Mission: ISS033  
Roll - Frame: E - 20288
Geographical Name: SAUDI ARABIA  
Center Lat x Lon: 24.8N x 46.7E
Film Exposure:   N=Normal exposure, U=Under exposed, O=Over exposed, F=out of Focus
Percentage of Cloud Cover-CLDP: 10
Camera: N5
Camera Tilt: 06   LO=Low Oblique, HO=High Oblique, NV=Near Vertical
Camera Focal Length: 400  
Nadir to Photo Center Direction: E   The direction from the nadir to the center point, N=North, S=South, E=East, W=West
Stereo?:   Y=Yes there is an adjacent picture of the same area, N=No there isn't
Orbit Number:  
Date: 20121113   YYYYMMDD
Time: 013748   GMT HHMMSS
Nadir Lat: 24.9N  
Latitude of suborbital point of spacecraft
Nadir Lon: 46.3E  
Longitude of suborbital point of spacecraft
Sun Azimuth: 101   Clockwise angle in degrees from north to the sun measured at the nadir point
Space Craft Altitude: 224   nautical miles
Sun Elevation: -21   Angle in degrees between the horizon and the sun, measured at the nadir point
Land Views:  
Water Views:  
Atmosphere Views:  
Man Made Views:  
City Views: RIYADH  
Photo is not associated with any sequences

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