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Orions Arm: not a spur

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Orions Arm: not a spur
Cray Offline
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#1
09-30-2016, 01:33 AM
The Orion spur appears to be more of a complete arm.
http://www.csmonitor.com/Science/2016/09...ly-thought
Mike Miller, Materials Engineer
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stevebowers Offline
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#2
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]
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