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(NASA Crew Earth Observations)

Photographing the Earth from the International Space Station

Astronaut Photography of Earth - Display Record


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File NameFile Size (bytes)WidthHeightAnnotatedCroppedPurposeComments
View STS102-349-35.JPG 103920640426 No No From ISD Web Gallery CDs
View STS102-349-35.JPG 130732540416 Yes Yes NASA's Earth Observatory web site
View STS102-349-35.JPG 132619400307 Yes No Photographic Highlights

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Mission: STS102 Roll: 349 Frame: 35 Mission ID on the Film or image: STS102
Country or Geographic Name: USA-FLORIDA
Center Point: Latitude: 29.5 Longitude: -85.0 (Negative numbers indicate south for latitude and west for longitude)

Stereo: (Yes indicates there is an adjacent picture of the same area)


Camera Tilt: 25
Camera Focal Length: mm
Camera: NK: Nikon 35mm film camera


Film Exposure:
Percentage of Cloud Cover: 10 (0-10)


GMT Date: 20010316 (YYYYMMDD) GMT Time: 171012 (HHMMSS)
Nadir Point Latitude: 29.4, Longitude: -83.4 (Negative numbers indicate south for latitude and west for longitude)

Nadir to Photo Center Direction: West
Sun Azimuth: 165 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 203 nautical miles (376 km)
Sun Elevation Angle: 58 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 130


Beach ridges sweep in bands across St. Vincent Island, a coastal barrier about 120 km southwest of Tallahassee, Florida. These depositional features have accumulated over time on the barrier island, and chronicle the island's evolution. The swales between the ridges some of which are water-filled, creating elongated lakes represent periods of island accretion between intervals of beach ridge development. Each ridge in the series marks the location of the island shoreline. The oldest ridge, approximately 3000 years old, is on the north side. The youngest the berm of the modern beach is on the south-facing portion of the present-day Gulf beach.

The crew of Space Shuttle 102 used the reflection of the sun off water that lies in the swales between ridges to emphasize the variable topography of the beach ridge plain. Similar topography -- although formed in a different manner, combining river and marine deposition -- can be seen on the Po and Ebro river deltas of Italy and Spain, respectively, and on the Mississippi
river coast of Louisiana.

St. Vincent Island, which lies between Cape San Blas and the town of Apalachicola on the Florida Panhandle, is a national wildlife refuge and an important breeding ground for loggerhead turtles. Sambar deer, a variety of Asian elk that can weigh as much as 700 pounds, roam the marshlands, and
eastern gray wolves have been bred there. The deer were introduced in the early 1900s, when the island was a privately owned hunting ground for exotic game.

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