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File:Aurora Australis From ISS.JPG

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color of aurora is green, caused by light emitted by excited oxygen atoms at wavelengths centered at 0.558 micrometers, or millionths of a meter. (Visible light is reflected from healthy (green) plant leaves at approximately the same wavelength.) Red aurora are generated by light emitted at a longer wavelength (0.630 micrometers), and other colors such as blue and purple are also sometimes observed.
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The aurora has a sinuous ribbon shape that separates into discrete spots near the lower right corner of the image. While the dominant coloration of the aurora is green, there are faint suggestions of red left of image center. Dense cloud cover is dimly visible below the aurora. The curvature of the
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Auroras happen when ions in the solar wind collide with atoms of oxygen and nitrogen in the upper atmosphere. The atoms are excited by these collisions, and they typically emit light as they return to their original energy level. The light creates the aurora that we see. The most commonly observed
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While aurora are generally only visible close to the poles, severe magnetic storms impacting the Earth’s magnetic field can shift them towards the equator. This striking aurora image was taken during a geomagnetic storm that was most likely caused by a coronal mass ejection from the Sun on May 24,
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Among the views of Earth afforded astronauts aboard the International Space Station (ISS), surely one of the most spectacular is of the aurora. These ever-shifting displays of colored ribbons, curtains, rays, and spots are most visible near the North (aurora borealis) and South (aurora australis)
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Earth’s horizon (the limb) is clearly visible, as is the faint blue line of the upper atmosphere directly above it (at image top center). Several stars appear as bright pinpoints against the blackness of space at image top right.
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2010. The ISS was located over the Southern Indian Ocean at an altitude of 350 kilometers (220 miles), with the astronaut observer most likely looking towards Antarctica (not visible) and the South Pole.
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Image acquired with a Nikon D3 digital camera, and is provided by the ISS Crew Earth Observations experiment and Image Science & Analysis Laboratory, Johnson Space Center.
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it as one of the finest images on the English Knowledge, adding significantly to its accompanying article. If you have a different image of similar quality, be sure to
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Seems to be some odd post-processing. Upload original from http://earthobservatory.nasa.gov/images/imagerecords/44000/44348/ISS023-E-58455_lrg.jpg
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joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use.
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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Poles as charged particles (ions) streaming from the Sun (the solar wind) interact with Earth’s magnetic field.
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If the file has been modified from its original state, some details may not fully reflect the modified file.
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states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."
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4256 x 2832 pixel CMOS sensor, 36.0mm x 23.9mm, total pixels: 12.87 million, Nikon FX format.
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Image courtesy of Earth Sciences and Image Analysis Laboratory, NASA Johnson Space Center.
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If you think this file should be featured on Wikimedia Commons as well, feel free to
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This image or video was catalogued by Johnson Space Center of the United States
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Mission: ISS023 Roll: E Frame: 58455 Mission ID on the Film or image: ISS023
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en:Knowledge:Featured picture candidates/Aurora Australis From ISS.JPG
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This tag does not indicate the copyright status of the attached work.
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If you have an image of similar quality that can be published under a
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Knowledge:Featured picture candidates/Aurora Australis From ISS.JPG
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data may be copyrighted if they are not explicitly produced by the
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Aurora Australis Observed From the International Space Station
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51° 11′ 41.1″ S, 93° 17′ 55.1″ E
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Reverted to version as of 15:51, 28 June 2010, FP at en-wiki
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The NASA website hosts a large number of images from the
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Add a one-line explanation of what this file represents
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Commons is a freely licensed media file repository.
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work of the federal government of the United States
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File:Aurora Australis From ISS.JPG
800 × 532 pixels
320 × 213 pixels
640 × 426 pixels
1,024 × 681 pixels
1,280 × 852 pixels
2,560 × 1,703 pixels
4,256 × 2,832 pixels
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February 5, 2012

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