09-30-2016, 01:55 AM
(This post was last modified: 09-30-2016, 01:56 AM by stevebowers.)
Looks to me like there is both a local arm and a smaller spur between us and the Sagittarius arm, defined by these new maser sources (blue circles).
![[Image: F2.large.jpg?width=800&height=600&carousel=1]](http://d3a5ak6v9sb99l.cloudfront.net/content/advances/2/9/e1600878/F2.large.jpg?width=800&height=600&carousel=1)
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Orions Arm: not a spur
Orions Arm: not a spur
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Orions Arm: not a spur
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Orions Arm: not a spur - by Cray - 09-30-2016, 01:33 AM
RE: Orions Arm: not a spur - by stevebowers - 09-30-2016, 01:55 AM
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