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→Visible objects: Better caption; the arm is co-placed with two others, one being parts of our own, in the night sky. |
Even more precision as vague term employed "near the middle" is nowhere near the solar system. |
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The Milky Way is a [[barred spiral galaxy]], consisting of a central crossbar and bulge from which two major and several minor spiral arms radiate outwards. The Carina–Sagittarius Arm lies between two major spiral arms—the [[Scutum–Centaurus Arm]] the near part of which is visible looking ''inward'' i.e. toward the galactic centre with the rest beyond the galactic centre and the [[Perseus Arm]], similar in size and shape but locally positioned outward.<ref name=Churchwell2009>{{cite journal|last=Churchwell|first=Ed|author2=Babler, Brian L. |author3=Meade, Marlin A. |title=The Spitzer/GLIMPSE Surveys: A New View of the Milky Way|journal=Publications of the Astronomical Society of the Pacific|year=2009|volume=121|pages=213–230|doi=10.1086/597811|url=http://www.astro.wisc.edu/sirtf/Churchwell_2009.pdf|format=pdf|bibcode=2009PASP..121..213C}}</ref> It is named for its proximity to the [[Sagittarius (constellation)|Sagittarius]] and [[Carina (constellation)|Carina]] constellations as seen in the [[night sky]] from Earth, in the direction of the [[galactic center]].
The arm dissipates
==Minor arm==
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