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The Gateway to Astronaut Photography of Earth
(NASA Crew Earth Observations)
Astronaut Photography of Earth - Display Record
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IdentificationMission: ISS038 Roll: E Frame: 47388 Mission ID on the Film or image: ISS038
Country or Geographic Name: IRAN
Features: KAVIR DESERT, LAKE BEDS
Center Point: Latitude: 34.8 Longitude: 55.0 (Negative numbers indicate south for latitude and west for longitude)
Stereo: (Yes indicates there is an adjacent picture of the same area)
ONC Map ID: JNC Map ID:
CameraCamera Tilt: 52
Camera Focal Length: 200mm
Camera: N3: Nikon D3
Film: 4256E : 4256 x 2832 pixel CMOS sensor, 36.0mm x 23.9mm, total pixels: 12.87 million, Nikon FX format.
Percentage of Cloud Cover: 10 (0-10)
GMT Date: 20140214 (YYYYMMDD) GMT Time: 121620 (HHMMSS)
Nadir Point Latitude: 38.5, Longitude: 57.9 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: Southwest
Sun Azimuth: 239 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 221 nautical miles (409 km)
Sun Elevation Angle: 15 (Angle in degrees between the horizon and the sun, measured at the nadir point)
CaptionsKavir Desert, Iran
This striking pattern of numerous parallel lines and sweeping curves greets orbiting observers in the International Space Station as they pass over the deserts of central Iran. The lack of soil and vegetation allows the geological structure of the rocks to appear quite clearly. The patterns result from the gentle folding of numerous, thin, light and dark layers of rock. Later erosion by wind and water cut a flat surface across the folds, not only exposing hundreds of layers but also showing the shapes of the folds. The pattern has been likened to the layers of a sliced onion.
The dark water of a lake (image center) occupies a depression in a more easily eroded, S-shaped layer of rock. The irregular light-toned patch just left of the lake is a sand sheet thin enough to allow the underlying rock layers to be detected. A small river snakes across the bottom of the image. In this desert landscape there are no fields or roads to give a sense of scale. In fact, the image width represents a distance of 84 km.
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Recommended Citation: Earth Science and Remote Sensing Unit, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .