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File:ISS-20 Thunderstorms on the Brazilian Horizon.jpg

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English: A picturesque line of thunderstorms and numerous circular cloud patterns filled the view as the International Space Station (ISS) Expedition 20 crew members looked out at the limb (blue line on the horizon) of the Earth.
  • The region shown in the photograph includes an unstable, active atmosphere forming a large area of cumulonimbus clouds in various stages of development. The crew was looking west-south-west from the Amazon Basin, along the Rio Madeira toward Bolivia when the image was taken. The distinctive circular patterns of the clouds in the photograph are likely caused by the ageing of thunderstorms. Such ring structures often form during the final stages of storms development as their centres collapse.
  • Sun-glint, the mirror-like reflection of sunlight off a water surface directly back to the camera on-board the ISS—is visible on the waters of the Rio Madeira and Lago Acara in the Amazon Basin. Widespread haze over the basin gives the reflected light an orange hue. The Rio Madeira flows northward and joins the Amazon River on its path to the Atlantic Ocean. A large smoke plume near the bottom centre of the image may be one source of the haze.
  • The image was acquired with a Nikon D2Xs digital camera using an effective 48mm lens (28-70 mm zoom lens), and is provided by the ISS Crew Earth Observations experiment and Image Science & Analysis Laboratory, Johnson Space Centre.
Date Taken on 6 October 2009, 21:06:53
Source NASA Earth Observatory
Author NASA Expedition 20 crew
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Camera location7° 00′ 00″ N, 62° 30′ 00″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: ISS020-E-47807.

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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: ISS020-E-47807.

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Date/TimeThumbnailDimensionsUserComment
current23:15, 10 August 2014Thumbnail for version as of 23:15, 10 August 20144,288 × 2,848 (3.82 MB)Ras67 (talk | contribs)new processed from NASA's raw image data, color temperature changed to 5800 K, contrast improved, grading adjusted, lens flares removed/mitigated and saved with highest JPEG quality
14:54, 18 March 2010Thumbnail for version as of 14:54, 18 March 20104,288 × 2,848 (877 KB)Tryphon (talk | contribs)Losslessly cropped using jpegtran.
12:44, 9 November 2009Thumbnail for version as of 12:44, 9 November 20094,288 × 2,843 (1,007 KB)Cropbot (talk | contribs)upload cropped version, operated by User:Originalwana. Summary: cropped
12:38, 9 November 2009Thumbnail for version as of 12:38, 9 November 20094,288 × 2,929 (926 KB)Originalwana (talk | contribs){{Information |Description={{en|1=A picturesque line of thunderstorms and numerous circular cloud patterns filled the view as the International Space Station (ISS) Expedition 20 crew members looked out at the limb (

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