Walter Simons

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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) Getting Started Contributing to Wikipedia The five pillars of Wikipedia • Tutorial • Your first article How to: edit a page • upload an image Getting Help Frequently Asked Questions New contributors' help page Where to: ask questions • make requests Tip of the day Request administrator attention Policies and Guidelines Neutral point of view • Reliable sources Verifiability • Citing sources • No original research What Wikipedia is not • Biographies of living persons Simplified Manual of Style • Three-revert rule Copyrights • Non-free content • Image use policy External links • Spam • Vandalism • Sock puppetry Deletion policy • Conflict of interest • Notability The Community Community Portal • Adopt-a-user program Assume good faith • Civility • Etiquette No personal attacks • Resolving disputes Build consensus • Village pump IRC channels • Mailing lists Discover what's going on in the Wikimedia community (The Signpost) Things to do Be bold in editing • Help develop an article Maintenance • Peer review • Requested articles Join a WikiProject • Translating articles Cleaning up: General • Spam • Vandalism Miscellaneous Categories • Disambiguity • Stubs User pages • Talk pages Useful templates • Tools • User scripts

Article on Cosmic Rays ADDENDUM

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.)