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File:Barnaul & Ob Plateau, Russia.jpg

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Barnaul_&_Ob_Plateau,_Russia.jpg (720 × 480 pixels, file size: 191 KB, MIME type: image/jpeg)

Summary

Description
English: Ob Plateau. In June 2014, the crew aboard the International Space Station (ISS) called down to Houston to ask for an explanation of this strange pattern of spikes crossing the Kulunda Steppe in central Russia. The “spikes” are a prominent visual feature when the ISS is at the top of its orbit (52 degrees north, the highest latitude flown over by the spacecraft). Scientists at NASA’s Johnson Space Center were able to provide an answer.

The linear zones in the image are gentle folds in the surface rocks of the area; they lie slightly lower than the surrounding, lighter-toned agricultural lands. The dark zones are forested with pines and dotted with salt-rich lakes. The image shows a distance of a little more than 300 kilometers (200 miles) from left to right, and the forested spikes are nearly that length.

The green floodplain on the right includes the famous Ob River, the westernmost of Siberia’s three great rivers (the others being the Yenisei and Lena). The Ob flows north for another 2,000 kilometers (1,200 miles) to the Arctic Ocean.

The city of Barnaul lies on the banks of the river, with riverboat, air, and rail links to the rest of the country. With a population of 612,000 people, Barnaul is a major center of industry, trade, and culture in Siberia. A broader image of the Kulunda geology and the Ob River in winter can be seen here.
Date
Source http://earthobservatory.nasa.gov/IOTD/view.php?id=84223&src=eoa-iotd
Author International Space Station Program, Nasa
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Licensing

Public domain
This file is in the public domain in the United States because it was created by the Image Science & Analysis Laboratory, of the NASA Johnson Space Center. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA media use guidelines or Conditions of Use of Astronaut Photographs). Photo source: ISS040-E-27042.

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Captions

Ob Plateau

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depicts

30 June 2014

image/jpeg

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current00:38, 27 August 2014Thumbnail for version as of 00:38, 27 August 2014720 × 480 (191 KB)Tillman{{Information |Description ={{en|1=In June 2014, the crew aboard the International Space Station (ISS) called down to Houston to ask for an explanation of this strange pattern of spikes crossing the Kulunda Steppe in central Russia. The “spikes”...

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