File:Sunspot butterfly graph.gif

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Summary

Description
English: Butterfly diagram showing paired pattern of sunspots. Graph shows sunspot numbers.
  • en:Spörer's law noted that at the start of an 11-year sunspot cycle, the spots appeared first at higher latitudes and later in progressively lower latitudes.
  • The en:Babcock Model explains the behavior described by Spörer's law, as well as other effects, as being due to magnetic fields which are twisted by the Sun's rotation.
Date
Source
Author NASA, Marshal Space Flight Center, Solar Physics

Licensing

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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Original upload log

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  • 2006-11-27 13:22 Whitepaw 2048×1280×8 (135495 bytes) {{pd-nasa}} Updated image with latest version (updates monthly)
  • 2005-03-11 17:53 SEWilco 2048×1280×8 (135177 bytes) Butterfly diagram showing paired pattern of sunspots. Graph shows sunspot numbers. {{PD-USGov-NASA}} Source: http://science.msfc.nasa.gov/ssl/pad/solar/images/bfly.gif (updated monthly)

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April 2011

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Date/TimeThumbnailDimensionsUserComment
current15:07, 12 August 2016Thumbnail for version as of 15:07, 12 August 20162,150 × 1,280 (142 KB)Jan Arkesteijn2016-08

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