Imatge:Ssn anual.jpg

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Nombre de Wolf de Taques solars 400 anys.

400 year sunspot history, measured with Wolfer numbers.


Derivative work from: http://science.nasa.gov/ssl/pad/solar/images/ssn_yearly.jpg

Uploaded in Catalan Wikipedia by Xgarciaf.

[edit] Original log

Simbologia: (act) = aquesta és la imatge actual, (esb) = esborra aquesta versió antiga, (rev) = reverteix a aquesta versió antiga. Cliqueu sobre la data per veure la imatge carregada en aquesta data.

   * (esb) (act) 11:16, 15 maig 2005 . . Xgarciaf (Discussió | contribucions) . . 800×253 (30.171 octets) (Nombre de Wolf de Taques solars 400 anys. * 1790 to 1820: Mínim de Dalton * 1645 to 1715: Mínim de Maunder ---- Font: http://science.nasa.gov/ssl/pad/solar/images/ssn_yearly.jpg 
Public domain This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).

Warnings:

  • Use of NASA logos (which include the current "meatball" logo, the old "worm" logo, and the seal) is restricted.
  • Materials from the Hubble Space Telescope may be copyrighted if they do not explicitly come from the STScI. [1]
  • All materials created by the SOHO 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]

)


Public domain This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).

Warnings:

  • Use of NASA logos (which include the current "meatball" logo, the old "worm" logo, and the seal) is restricted.
  • Materials from the Hubble Space Telescope may be copyrighted if they do not explicitly come from the STScI. [4]
  • All materials created by the SOHO probe are copyrighted and require permission for commercial non-educational use. [5]
  • Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [6]
This image should be recreated using vector graphics as an SVG file. This has several advantages; see Commons:Images for cleanup for more information. If an SVG form of this image is already available, please upload it. After uploading an SVG, replace this template with template {{SupersededSVG|new image name.svg}} in this image.

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