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Little bit of cleanup done, plus added a smidgen of background info about what a 'spiral arm' actually is - it's still a bit stubby, though, and could probably do with some padding out. -Adaru 12:18, 31 August 2006 (UTC)[reply]

This article seems to misrepresent the origin and formation of spiral arms. There is a much better explanation at the Milky Way page, Spiral Arms section. --Rstevensonatwiki (talk) 14:58, 18 January 2011 (UTC)[reply]

I don't see the Cygnus Arm on the diagram at all. And why is Scutum spelt Scuturn? GBC (talk) 00:22, 3 March 2008 (UTC)[reply]

and what the heck does "in narrow meaning" mean? NStahl (talk) 21:22, 18 January 2011 (UTC)[reply]

A list of objects found in this arm would be helpful. -- Beland (talk) 04:47, 20 September 2011 (UTC)[reply]