File:Aurora in Kangerlussuaq.jpg

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DescriptionAurora in Kangerlussuaq.jpg	English: Lights of an aurora seen in Kangerlussuaq, Greenland, during NASA's Operation IceBridge campaign. Auroras are natural light displays seen at high latitudes caused when charged particles from the sun collide with Earth's upper atmosphere.
Date	20 September 2007, 23:35:07
Source	http://www.nasa.gov/mission_pages/icebridge/multimedia/spr13/aurora1.html
Author	NASA / John Sonntag

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	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.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	13:02, 27 April 2013		3,072 × 2,048 (1.63 MB)	Stas1995 (talk \| contribs)	User created page with UploadWizard

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This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Camera manufacturer	Canon
Camera model	Canon EOS DIGITAL REBEL
Exposure time	13/1 sec (13)
F-number	f/3.5
ISO speed rating	200
Date and time of data generation	23:35, 20 September 2007
Lens focal length	18 mm
Orientation	Normal
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
File change date and time	23:35, 20 September 2007
Y and C positioning	Centered
Exif version	2.21
Date and time of digitizing	23:35, 20 September 2007
Meaning of each component	Y Cb Cr does not exist
Image compression mode	3
APEX shutter speed	−3.700439453125
APEX aperture	3.6147155761719
APEX exposure bias	0
Maximum land aperture	3.6147155761719 APEX (f/3.5)
Metering mode	Pattern
Flash	Flash did not fire
Supported Flashpix version	1
Color space	sRGB
Focal plane X resolution	3,443.9461883408
Focal plane Y resolution	3,442.0168067227
Focal plane resolution unit	inches
Sensing method	One-chip color area sensor
File source	Digital still camera
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard

File:Aurora in Kangerlussuaq.jpg

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