File:Growing Sunspots Tracking Closeup - February 2011.ogv

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Growing_Sunspots_Tracking_Closeup_-_February_2011.ogv ‎(Ogg Theora video file, length 1 min 6 s, 640 × 360 pixels, 483 kbps, file size: 3.81 MB)

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Summary

Description	English: This visualization tracks the emergence and evolution of a sunspot group as seen starting in early February 2011 and continuing for two weeks. Images are sampled one hour apart. The camera tracks the movement of the solar rotation. At this scale, a 'shimmer' of the solar surface is visible, created by the turnover of convection cells.
Date	3 January 2012
Source	Goddard Multimedia
Author	NASA/Goddard Space Flight Center
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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	18:49, 30 January 2012		1 min 6 s, 640 × 360 (3.81 MB)	Originalwana	{{Information \|Description ={{en\|1=This visualization tracks the emergence and evolution of a sunspot group as seen starting in early February 2011 and continuing for two weeks. Images are sampled one hour apart. The camera tracks the movement of the s

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Software used	Xiph.Org libtheora 1.1 20090822 (Thusnelda) ffmpeg2theora-0.26+svn16924

File:Growing Sunspots Tracking Closeup - February 2011.ogv

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3 January 2012

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