File:NASA - Solar Cycle sASbVkK-p0w.webm
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[edit]DescriptionNASA - Solar Cycle sASbVkK-p0w.webm |
English: The number of sunspots increases and decreases over time in a regular, approximately 11-year cycle, called the sunspot cycle. The exact length of the cycle can vary. It has been as short as eight years and as long as fourteen, but the number of sunspots always increases over time, and then returns to low again.\r
\r This video is public domain and can be downloaded at: http://svsdev.gsfc.nasa.gov/goto?10804 \r \r Like our videos? Subscribe to NASA's Goddard Shorts HD podcast:\r http://svs.gsfc.nasa.gov/vis/iTunes/f0004_index.html\r \r Or find NASA Goddard Space Flight Center on Facebook:\r http://www.facebook.com/NASA.GSFC\r \r Or find us on Twitter:\r https://twitter.com/NASAGoddard |
Date | |
Source | YouTube: NASA - Solar Cycle – View/save archived versions on archive.org and archive.today |
Author | NASA Goddard |
Licensing
[edit]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, which was originally posted to YouTube: NASA, was reviewed on 20 November 2020 by the automatic software YouTubeReviewBot, which confirmed that this video was available there under the stated Creative Commons license on that date. This file should not be deleted if the license has changed in the meantime. The Creative Commons license is irrevocable.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:22, 19 November 2020 | 3 min 25 s, 1,280 × 720 (23 MB) | Eatcha (talk | contribs) | Uploaded NASA | Solar Cycle by NASA Goddard from Youtube |
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