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Spiral arm:
Orion Arm
(astronomical entity)
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Hierarchy
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Entity:
Milky Way Galaxy (Galaxy)
..Cygnus Arm (Spiral arm)
..Norma Arm (Spiral arm)
..Perseus Arm (Spiral arm)
..Sagittarius Arm (Spiral arm)
..Scutum–Centaurus Arm (Spiral arm)
..Orion Arm (Spiral arm)
....Auriga-Perseus Cloud
....GSH 238+00+09 (Region)
....Local Bubble (Region)
....Loop I Bubble (Region)
....Loop II Bubble (Region)
....Loop III Bubble (Region)
....Pleiades Bubble (Region)
....Taurus Dark Cloud
Concise hierarchy
([unranked])
Universe
-
(Galaxy)
Milky Way Galaxy
Current position
Milky Way Galaxy
(Galaxy)
veter.
Ref:
R. Powell, 2006
: 13 Dec 2007.
Historical positions
Milky Way Galaxy
(Galaxy)
veter.
Ref:
N. Henbest & H. Couper, 1994
: Chapter 5.
Number of Subtaxa
2026
Available in Systema Naturae 2000
6k;76f;10g;26s;31v;33,722;112e; ‡10; †392;14e
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026