Wiki Education Foundation-supported course assignment

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  This article was the subject of a Wiki Education Foundation-supported course assignment, between 1 April 2019 and 22 April 2019. Further details are available on the course page. Student editor(s): KeyanGootkin.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 05:59, 17 January 2022 (UTC)Reply

Cygni

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I added more information about P Cygni line profiles, but that subject probably deserves either its own article, or maybe a section within spectral line. P Cygni profiles are pretty abtruse, so it's not a big need. BSVulturis 21:39, 19 December 2006 (UTC)Reply