kids encyclopedia robot

Image: HessKol

Kids Encyclopedia Facts
HessKol.jpg ‎(720 × 540 pixels, file size: 41 KB, MIME type: image/jpeg)

Description: Cosmic rays: Increase of ionization with height as measured by Hess in 1912 and by Kolhörster in 1913 and 1914
Author: Alessandro De Angelis
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC-BY-SA-3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes

The following page links to this image:

kids search engine
All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used under Attribution-ShareAlike license, unless stated otherwise.