Image:Zurich sunspot number since 1750.png

From Wikipedia, the free encyclopedia

Zurich_sunspot_number_since_1750.png‎ (14KB, MIME type: image/png)

International sunspot number since 1750.


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:

  • NASA logos (which include the current "meatball" logo, the old "worm" logo, and the seal) are copyrighted.
  • 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]

http://science.nasa.gov/ssl/pad/solar/images/zurich.gif

File history

Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version.
Click on date to download the file or see the image uploaded on that date.


The following pages on the English Wikipedia link to this file (pages on other projects are not listed):

Retrieved from "http://en.wikipedia.org../../../z/u/r/Image%7EZurich_sunspot_number_since_1750.png_8000.html"