File:ISS-39 Grand Canyon.jpg

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English: Not only do millions of tourists have special attractions to the Grand Canyon, but also through the years astronauts and cosmonauts in space.
  • One of the Expedition 39 crew members aboard the Earth-orbiting International Space Station aimed his camera, equipped with a 180mm lens, at the iconic feature. The steep walls of the Colorado River canyon and its many side canyons make an intricate landscape that contrasts with the dark green, forested plateau to the north and south. The Colorado River has done all the erosional work of carving away cubic kilometers of rock in a geologically short period of time.
  • Visible as a darker line snaking along the bottom of the canyon, the river lies at an altitude of 715 meters (2,345 feet), thousands of meters below the North and South Rims. Temperatures are furnace-like on the river banks in the summer. But Grand Canyon Village, the classic outlook point for visitors, enjoys a milder climate at an altitude of 2,100 meters (6,890 feet). The Grand Canyon has become a geologic icon—a place where, geologists say, one can almost sense the invisible tectonic forces within the Earth. The North and South Rims are part of the Kaibab Plateau, a gentle tectonic swell in the landscape.
  • The uplift of the plateau had two pronounced effects on the landscape that show up in this image. First, in drier parts of the world, forests usually indicate higher places; higher altitudes are cooler and wetter, conditions that allow trees to grow. The other geologic lesson on view is the canyon itself. Geologists now know that a river can cut a canyon only if the Earth surface rises vertically. If such uplift is not rapid, a river can maintain its course by eroding huge quantities of rock and forming a canyon.
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Source https://www.flickr.com/photos/nasa2explore/14088096621/
Author NASA
This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: ISS039-E-005258.

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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: ISS039-E-005258.

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Date/TimeThumbnailDimensionsUserComment
current23:02, 27 June 2014Thumbnail for version as of 23:02, 27 June 20144,256 × 2,832 (4 MB)Ras67 (talk | contribs)high quality rendering from NASA's raw data
22:53, 27 June 2014Thumbnail for version as of 22:53, 27 June 20144,256 × 2,832 (1.07 MB)Ras67 (talk | contribs)== {{int:filedesc}} == {{Information |Description={{en|1=Not only do millions of tourists have special attractions to the Grand Canyon, but also through the years astronauts and cosmonauts in space. * One of the Expedition 39 crew members aboard the Ea...

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