चित्र:India-Pakistan Borderlands at Night.JPG

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सारांश

विवरण
English: Clusters of yellow lights on the Indo-Gangetic Plain reveal numerous cities large and small in this astronaut photograph of northern India and northern Pakistan.
  • Of the hundreds of clusters, the largest are the capital cities of Islamabad, Pakistan, and New Delhi, India. (For scale, these metropolitan areas are approximately 700 kilometres apart.) The lines of major highways connecting the cities also stand out. More subtle, but still visible at night, are the general outlines of the towering and partly cloud-covered Himalayas to the north (image left).
  • A striking feature is the line of lights, with a distinctly orange hue, snaking across the centre of the image. It appears to be more continuous and brighter than most highways in the view. This is the fenced and floodlit border zone between India and Pakistan. The fence is designed to discourage smuggling and arms trafficking. A similar fenced zone separates India’s eastern border from Bangladesh (not visible).
  • This image was taken with a 16 mm lens, which provides the wide field of view, as the International Space Station (ISS) was tracking towards the south-east across India. The ISS crew took the image as part of a continuous series of frames, each with a one-second exposure time to maximize light collection. Unfortunately, this also causes blurring of some ground features.
दिनांक
स्रोत NASA Earth Observatory
लेखक ISS Expedition 28 crew
कैमरा स्थान३२° ३०′ ००″ N, ७४° ३०′ ००″ E Kartographer map based on OpenStreetMap.यह और अन्य आसपास की छवियों यहां पर देखें: ओपन स्ट्रीट मैपinfo
This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: ISS028-E-29679.

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Image acquired with a Nikon D3S digital camera using a 16 mm lens, and is provided by the ISS Crew Earth Observations experiment and Image Science & Analysis Laboratory, Johnson Space Center.

लाइसेंस

Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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Captions

रात में भारत-पाकिस्तान सीमा

Items portrayed in this file

चित्रण

captured with अंग्रेज़ी

Nikon D3S अंग्रेज़ी

coordinates of the point of view अंग्रेज़ी

32°30'0.000"N, 74°30'0.000"E

catalog code अंग्रेज़ी

ISS028-E-29679

ISO speed अंग्रेज़ी

१०,०००

exposure time अंग्रेज़ी

सैकण्ड

f-number अंग्रेज़ी

२.८

focal length अंग्रेज़ी

१६ सहस्रिमान

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