Talk:History of X-ray astronomy

Orphaned references in X-ray astronomy history
I check pages listed in Category:Pages with incorrect ref formatting to try to fix reference errors. One of the things I do is look for content for orphaned references in wikilinked articles. I have found content for some of X-ray astronomy history's orphans, the problem is that I found more than one version. I can't determine which (if any) is correct for this article, so I am asking for a sentient editor to look it over and copy the correct ref content into this article.

Reference named "Gudel": From X-ray astronomy:  From Stellar X-ray astronomy:  

I apologize if any of the above are effectively identical; I am just a simple computer program, so I can't determine whether minor differences are significant or not. AnomieBOT ⚡ 05:34, 18 November 2009 (UTC)

References fixed in both articles. Marshallsumter (talk) 05:51, 19 November 2009 (UTC)

Off topic
The content below appears to be off topic so I moving it here for now:

Section title: Detecting X-ray sources

As of 2000, there were about 220,000 known X-ray sources, with the vast majority discovered by the ROSAT X-ray satellite observatory.

External links modified
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 * Added archive https://web.archive.org/web/20110811230835/http://astronomy.sci.ege.edu.tr/~rpekunlu/GBDG/papers/XRayfromStellarCoronae.pdf to http://astronomy.sci.ege.edu.tr/~rpekunlu/GBDG/papers/XRayfromStellarCoronae.pdf

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External links modified
Hello fellow Wikipedians,

I have just modified one external link on History of X-ray astronomy. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20100408082333/http://www.astronautix.com/chrono/19491.htm to http://www.astronautix.com/chrono/19491.htm

When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.

Cheers.— InternetArchiveBot  (Report bug) 00:50, 5 November 2017 (UTC)