Page contents not supported in other languages.

DecayRate_vs_Solar_Time.png ‎(342 × 266 pixels, file size: 54 KB, MIME type: image/png)

Decay Rate of Radon-222 as a function of date and time of day. The color-bar gives the power of the observed signal.

Public domain
This photograph was produced by the Atmospheric Radiation Measurement Program.

Their site states:

  • Any of the below images or graphics may be reproduced and published at your discretion. Please use the following credit line: "Courtesy: U.S. Department of Energy's Atmospheric Radiation Measurement Program."
Additionally, the ARM program is part of the U.S. Department of Energy, whose images are in the public domain in the United States.

čeština | Deutsch | English | français | Bahasa Indonesia | italiano | македонски | sicilianu | 中文 | 中文（简体）‎ |

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current12:26, 4 April 2013Thumbnail for version as of 12:26, 4 April 2013342 × 266 (54 KB)VerpiesDecay Rate of Radon-222 as a function of date and time of day. The color-bar gives the power of the observed signal. {{PD-USGov-ARM}}
The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Global file usage

source: http://en.wikipedia.org/wiki/File:DecayRate_vs_Solar_Time.png