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Astronaut Photography of Earth - Display Record
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IdentificationMission: ISS020 Roll: E Frame: 33530 Mission ID on the Film or image: ISS020
Country or Geographic Name: USA-ARIZONA
Features: BLACK POINT LAVA FLOW, LITTLE COLORADO RIVER, RAVINES, ROAD
Center Point Latitude: 35.7 Center Point Longitude: -111.3 (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: 10
Camera Focal Length: 800mm
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)
NadirDate: 20090821 (YYYYMMDD)GMT Time: 171233 (HHMMSS)
Nadir Point Latitude: 35.3, Longitude: -111.7 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: Northeast
Sun Azimuth: 118 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 188 nautical miles (348 km)
Sun Elevation Angle: 51 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 1627
CaptionsBlack Point Lava Flow, Arizona
The otherworldly footprint of black basaltic lava creates a striking landscape at Black Point Lava Flow in northern Arizona, seen in this photograph taken from the International Space Station. The flow is part of Arizona’s San Francisco Volcanic Field, a group of geologically young (approximately six million to less than one thousand years old) volcanoes, lava flows, and cinder cones located just north of Flagstaff, Arizona.
When it erupted onto the surface, the Black Point Lava flowed eastward over the older Permian and Triassic sedimentary rock sequences (spanning the period from roughly 300 to 240 million years ago) that are so well known around the vicinity of the Grand Canyon. The eastern edge of the flow slumps down to the surrounding plain, and it ends along the Little Colorado River (lower right).
Black Point Lava Flow is an excellent setting for training and systems testing for future exploration missions to the moon. In late August and early September 2009, scientists and engineers from NASA and several universities will travel to the Black Point Lava Flow to conduct tests for NASA’s Lunar Electric Rover. This year, a team of geologists will support the tests, simulating traverses that might occur on the moon. The public is invited to follow the tests through blogs and other postings online.
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Recommended Citation: Image Science and Analysis Laboratory, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .