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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 ISS035-E-40035.JPG 40986640426 No No
View ISS035-E-40035_2.JPG 90374720480 No Yes NASA's Earth Observatory web site
View ISS035-E-40035.JPG 137970540325 Yes Yes NASA's Earth Observatory web site
View ISS035-E-40035.JPG 4029961000601 No Yes NASA's Earth Observatory web site
View ISS035-E-40035.JPG 64717242562832 No No

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Mission: ISS035 Roll: E Frame: 40035 Mission ID on the Film or image: ISS035
Country or Geographic Name: RUSSIAN FEDERATION
Center Point: Latitude: 43.5 Longitude: 37.0 (Negative numbers indicate south for latitude and west for longitude)

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


Camera Tilt: 35
Camera Focal Length: 50mm
Camera: N5: Nikon D3S
Film: 4256E : 4256 x 2832 pixel CMOS sensor, 36.0mm x 23.9mm, total pixels: 12.87 million, Nikon FX format.


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


GMT Date: 20130509 (YYYYMMDD) GMT Time: 110642 (HHMMSS)
Nadir Point Latitude: 44.8, Longitude: 34.8 (Negative numbers indicate south for latitude and west for longitude)

Nadir to Photo Center Direction: Southeast
Sun Azimuth: 222 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 222 nautical miles (411 km)
Sun Elevation Angle: 57 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number:


Plankton Bloom, eastern Black Sea

The Black Sea, a large inland water body that connects eastern Europe and Asia Minor, frequently hosts widespread blooms of phytoplankton during the local spring and summer seasons. This astronaut photograph, taken from the International Space Station, highlights a recent plankton bloom in the Black Sea’s eastern half. The phytoplankton are visible as blue to turquoise streams and swirls, carried by currents along the coastline and further out towards the middle of the water body. The urban areas of Anapa and Novorossiysk (the largest Russian seaport on the Black Sea) are visible along the northern shoreline as grey-white regions nestled between the sea and uplands hosting limestone quarries.

Phytoplankton occupies the base of most aquatic food chains, and therefore serves as the primary producers in these ecosystems, despite being microscopic in size. The term “phytoplankton” includes a number of organisms – cyanobacteria, diatoms, dinoflagellates, algae, and coccolithophores - that feed larger creatures such as fish and shrimp. The Black Sea receives contributions of freshwater from several river systems including the Danube, Dnieper, Dniester, and Don, but it is also connected to the saline Mediterranean and Marmara Seas. These same river systems can transport urban and agricultural runoff containing nutrients to the Black Sea; these nutrients can be consumed by phytoplankton and lead to blooms.

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