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  Image: Geographic Location Direction Photo #: ISS028-E-14782 Date: Jul. 2011
Geographic Region: AUSTRALIA-WA
Feature: SHOEMAKER IMPACT CRATER, LAKE NABBERU, CLOUD SHADOWS

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  Shoemaker Impact Structure, Western Australia

The Shoemaker (formerly Teague) Impact Structure—located in Western Australia to the southeast of the Carnarvon Range—presents an other-worldly appearance in this astronaut photograph. The Shoemaker impact site is approximately 30 km in diameter, and is clearly defined by concentric ring structures formed in sedimentary rocks (brown to dark brown, image center) that were deformed by the impact event approximately 1630 million years ago (as reported by the Earth Impact Database). Other published age-dating analyses of granitic rocks at the core of the structure call into question this age of the impact event (Pirajno et al. 2003).

Several saline and ephemeral lakes—Nabberu, Teague, Shoemaker, and numerous smaller ponds—occupy the land surface between the concentric ring structures. Differences in color result from both water depth and suspended sediments, with some bright salt crusts visible around the edges of smaller ponds (image center). The Teague Impact Structure was renamed Shoemaker in honor of Dr. Eugene M. Shoemaker (1928-1997), a pioneer in the field of impact crater studies and planetary geology, and founder of the Astrogeology Branch of the United States Geological Survey.

Reference:
Pirajno F, P Hawke, AY Glikson, PW Haines, and T Uysal (2003). Shoemaker impact structure, Western Australia. Australian Journal of Earth Sciences 50:775-796.
 
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Images: All Available Images Low-Resolution 351k
Mission: ISS028  
Roll - Frame: E - 14782
Geographical Name: AUSTRALIA-WA  
Features: SHOEMAKER IMPACT CRATER, LAKE NABBERU, CLOUD SHADOWS  
Center Lat x Lon: 25.8S x 121.0E
Film Exposure:   N=Normal exposure, U=Under exposed, O=Over exposed, F=out of Focus
Percentage of Cloud Cover-CLDP: 10
 
Camera: N2
 
Camera Tilt: 24   LO=Low Oblique, HO=High Oblique, NV=Near Vertical
Camera Focal Length: 200  
 
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: 399  
 
Date: 20110706   YYYYMMDD
Time: 233635   GMT HHMMSS
Nadir Lat: 26.2S  
Latitude of suborbital point of spacecraft
Nadir Lon: 119.5E  
Longitude of suborbital point of spacecraft
Sun Azimuth: 60   Clockwise angle in degrees from north to the sun measured at the nadir point
Space Craft Altitude: 208   nautical miles
Sun Elevation: 9   Angle in degrees between the horizon and the sun, measured at the nadir point
Land Views: BASIN, CRATER  
Water Views:  
Atmosphere Views:  
Man Made Views:  
City Views:  
Photo is not associated with any sequences


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