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Summary
DescriptionNile River in space.jpg |
English: One of the fascinating aspects of viewing Earth at night is how well the lights show the distribution of people. In this view of Egypt, we see a population almost completely concentrated along the Nile Valley, just a small percentage of the country’s land area.
The Nile River and its delta look like a brilliant, long-stemmed flower in this astronaut photograph of the southeastern Mediterranean Sea, as seen from the International Space Station. The Cairo metropolitan area forms a particularly bright base of the flower. The smaller cities and towns within the Nile Delta tend to be hard to see amidst the dense agricultural vegetation during the day. However, these settled areas and the connecting roads between them become clearly visible at night. Likewise, urbanized regions and infrastructure along the Nile River becomes apparent (see also The Great Bend of Nile, Day & Night.) Another brightly lit region is visible along the eastern coastline of the Mediterranean—the Tel-Aviv metropolitan area in Israel (image right). To the east of Tel-Aviv lies Amman, Jordan. The two major water bodies that define the western and eastern coastlines of the Sinai Peninsula—the Gulf of Suez and the Gulf of Aqaba—are outlined by lights along their coastlines (image lower right). The city lights of Paphos, Limassol, Larnaca, and Nicosia are visible on the island of Cyprus (image top). Scattered blue-grey clouds cover the Mediterranean Sea and the Sinai, while much of northeastern Africa is cloud-free. A thin yellow-brown band tracing the Earth’s curvature at image top is airglow, a faint band of light emission that results from the interaction of atmospheric atoms and molecules with solar radiation at approximately 100 kilometers (60 miles) altitude. Image # ISS025-E-9858 earthobservatory.nasa.gov/IOTD/view.php?id=46820 |
Date | |
Source | https://www.flickr.com/photos/nasacommons/15040187724/ |
Author | NASA on The Commons |
Licensing
This image was taken from Flickr's The Commons. The uploading organization may have various reasons for determining that no known copyright restrictions exist, such as: No known copyright restrictionsNo restrictionshttps://www.flickr.com/commons/usage/false
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This image was originally posted to Flickr by NASA on The Commons at https://flickr.com/photos/44494372@N05/15040187724. It was reviewed on 20 October 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the No known copyright restrictions. |
20 October 2020
Items portrayed in this file
depicts
some value
0.25 second
2.8
16 millimetre
51,200
28 October 2010
image/jpeg
4ef6d39002fc293cbac7abcf5fbdbb19e7aa016c
620,636 byte
960 pixel
1,440 pixel
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:12, 20 October 2020 | 1,440 × 960 (606 KB) | Jhenderson777 | Uploaded a work by NASA on The Commons from https://www.flickr.com/photos/nasacommons/15040187724/ with UploadWizard |
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Metadata
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D3S |
Exposure time | 1/4 sec (0.25) |
F-number | f/2.8 |
ISO speed rating | 51,200 |
Date and time of data generation | 23:38, 28 October 2010 |
Lens focal length | 16 mm |
User comments | NASA#2007934 |
Orientation | Normal |
Horizontal resolution | 240 dpi |
Vertical resolution | 240 dpi |
Software used | Adobe Photoshop CS5 Macintosh |
File change date and time | 18:25, 4 November 2010 |
Exposure Program | Manual |
Exif version | 2.21 |
Date and time of digitizing | 23:38, 28 October 2010 |
Shutter speed | 2 |
APEX aperture | 2.970854 |
Exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Subject distance | 1.12 meters |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 89 |
DateTimeOriginal subseconds | 89 |
DateTimeDigitized subseconds | 89 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 16 mm |
Scene capture type | Standard |
Scene control | High gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Serial number of camera | 2007934 |
Lens used | 16.0 mm f/2.8 |
Rating (out of 5) | 0 |
Date metadata was last modified | 14:25, 4 November 2010 |
Unique ID of original document | xmp.did:3BAC111D71206811994CB6E408D7FEB7 |