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  Image: Geographic Location Direction Photo #: STS61B-40-65 Date: Nov. 1985
Geographic Region: MEXICO

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  STS61B-40-0065 Mexico City, Mexico November 1985
Although this photograph of the metropolitan Mexico City area is not very aesthetically pleasing because of substantial air pollution (hazy conditions, with the heaviest concentration visible northwest of the city), some street patterns can be seen at several points throughout the city. Manmade features also include two very large, dark shapes near the center of the photograph (one feature, circular; the other, rectangular). The rectangular shape is a water reservoir, and the circular feature appears to be a water holding facility (later imagery shows that this feature is now dry). The vegetated slopes (dark areas) on the surrounding volcanoes show the radial drainage patterns that are characteristic of most volcanoes throughout the world. Some clouds obscure the volcanic peaks located east of the city; however, the snow-capped peak near the town of Chiautzingo is visible. Mexico City presently has the world's second-largest metropolitan population with 22.5 million people. Some demographers have forecast an astounding total of between 40 and 50 million residents for greater Mexico City by 2010. In any case, Mexico City will become the world's largest single population center by the year 2000, surpassing metropolitan Tokyo. It is also noteworthy that the Mexico City region is part of the Ring of Fire (volcano-earthquake zone) that encircles the Pacific Ocean. Thus, this entire area is very susceptible to earthquakes and volcanic activity.
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Images: All Available Images Low-Resolution 125k
Mission: STS61B  
Roll - Frame: 40 - 65
Geographical Name: MEXICO  
Features: MEXICO CITY  
Center Lat x Lon: 19.5N x 99W
Film Exposure: N   N=Normal exposure, U=Under exposed, O=Over exposed, F=out of Focus
Percentage of Cloud Cover-CLDP: 50
Camera: HB
Camera Tilt: 29   LO=Low Oblique, HO=High Oblique, NV=Near Vertical
Camera Focal Length: 250  
Nadir to Photo Center Direction: SE   The direction from the nadir to the center point, N=North, S=South, E=East, W=West
Stereo?: N   Y=Yes there is an adjacent picture of the same area, N=No there isn't
Orbit Number: 46  
Date: 19851129   YYYYMMDD
Time: 210847   GMT HHMMSS
Nadir Lat: 20.6N  
Latitude of suborbital point of spacecraft
Nadir Lon: 100.5W  
Longitude of suborbital point of spacecraft
Sun Azimuth: 224   Clockwise angle in degrees from north to the sun measured at the nadir point
Space Craft Altitude: 199   nautical miles
Sun Elevation: 32   Angle in degrees between the horizon and the sun, measured at the nadir point
Water Views: RESERVOIR  
Atmosphere Views: HAZE, SMOG  
City Views: MEXICO CITY  
Photo is not associated with any sequences

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