File:NASA's Solar Dynamics Observatory- Year 7 Ultra HD (4k).webm
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Size of this JPG preview of this WEBM file: 800 × 450 pixels. Other resolutions: 320 × 180 pixels | 640 × 360 pixels | 1,024 × 576 pixels | 1,280 × 720 pixels | 2,560 × 1,440 pixels | 3,840 × 2,160 pixels.
Original file (WebM audio/video file, VP8/Vorbis, length 3 min 22 s, 3,840 × 2,160 pixels, 20.6 Mbps overall, file size: 495.52 MB)
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DescriptionNASA's Solar Dynamics Observatory- Year 7 Ultra HD (4k).webm |
English: The Solar Dynamics Observatory, or SDO, has now captured nearly seven years worth of ultra-high resolution solar footage. This time lapse shows that full run from two of SDO's instruments. The large orange sun is visible light captured by the Helioseismic and Magnetic Imager, or HMI. The smaller golden sun is extreme ultraviolet light from the Atmospheric Imaging Assembly, or AIA, and reveals some of the sun's atmosphere, the corona. Both appear at one frame every 12 hours. SDO's nearly unbroken run is now long enough to watch the rise and fall of the current solar cycle. The graph of solar activity shows the sunspot number, a measurement based on the number of individual spots and the number of sunspot groups. In this case, the line represents a smoothed 26-day average to more clearly show the overall trend.
Music: "Web of Intrigue" from Killer Tracks |
Date | |
Source | https://www.youtube.com/watch?v=kJPz-oRnRDE; see also https://svs.gsfc.nasa.gov/12500 |
Author | NASA's Goddard Space Flight Center/SDO |
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Public domainPublic domainfalsefalse |
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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This file was reviewed on 26 April 2017 by the administrator or trusted user - Reventtalk, who confirmed the Public Domain status on that date.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:07, 25 April 2017 | 3 min 22 s, 3,840 × 2,160 (495.52 MB) | Victorgrigas (talk | contribs) | Imported media from https://www.youtube.com/watch?v=kJPz-oRnRDE |
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