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Hello, Walter Simons! Welcome to Wikipedia! Thank you for your contributions. You may benefit from following some of the links below, which will help you get the most out of Wikipedia. If you have any questions you can ask me on my talk page, or place {{helpme}} on your talk page and ask your question there. Please remember to sign your name on talk pages by clicking or by typing four tildes "~~~~"; this will automatically produce your name and the date. If you are already excited about Wikipedia, you might want to consider being "adopted" by a more experienced editor or joining a WikiProject to collaborate with others in creating and improving articles of your interest. Click here for a directory of all the WikiProjects. Finally, please do your best to always fill in the edit summary field when making edits to pages. Happy editing! FriyMan talk 10:27, 16 January 2017 (UTC)[reply]
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Article on Cosmic Rays ADDENDUM

[edit]

Article on Cosmic Rays, entry "Sources" It is advisable to change the line

<< causing the authors to set upper limits as low as 3.4 × 10−6× erg·cm−2 on the flux of 1 GeV – 1 TeV cosmic rays from gamma-ray bursts. >>

to << causing the authors to set upper limits as low as 3.4 × 10−6× erg·cm−2 (3.4 x 10-9x J.m-2) on the flux of 1 GeV – 1 TeV cosmic rays from gamma-ray bursts.

('erg' being an old unit, still common in anglosaxon astrophysical literature, but not accepted any longer in the European SI system. This addendum is particularly addressed to science teachers in Europe who are accustomed to modern units. Moreover, the change of 'erg' into 'joule' is to be considered logical, the author having used 'joule' ('J') in the text already.)