File:PIA21207 Almost Spotless.ogv

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Original file ‎(Ogg Theora video file, length 8.6 s, 1,920 × 1,080 pixels, 1.89 Mbps, file size: 1.94 MB)

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English: This week the sun was hitting its lowest level of solar activity since 2011 (Nov. 14-18, 2016) as it gradually marches toward solar minimum. This activity is usually measured by sunspot count and over the past several days the sun has been almost spotless. The sun has a pendulum-like pattern of solar cycle of activity that extends over about an 11-year period. The last peak of activity was in early 2014. At this point in time, the sunspot numbers seem to be sliding downwards faster than expected, though the solar minimum level should not occur until 2021. No doubt more and larger sunspots will inevitably appear, but we'll just have to wait and see. SDO is managed by NASA's Goddard Space Flight Center, Greenbelt, Maryland, for NASA's Science Mission Directorate, Washington. Its Atmosphere Imaging Assembly was built by the Lockheed Martin Solar Astrophysics Laboratory (LMSAL), Palo Alto, California.
Date (published 30 November 2016)
Source Catalog page · Full-res (MP4)
Author NASA/GSFC/Solar Dynamics Observatory
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA21207.

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Solar Dynamics Observatory
Credit and attribution belongs to the Atmospheric Imaging Assembly (AIA) team, NASA/GSFC/Solar Dynamics Observatory

Licensing[edit]

Public domain 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.)
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Date/TimeThumbnailDimensionsUserComment
current04:53, 2 March 20178.6 s, 1,920 × 1,080 (1.94 MB)PhilipTerryGraham (talk | contribs)User created page with UploadWizard

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