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Spiral Arms
Regions of stars and interstellar matter that extend from the center of spiral galaxies, forming a spiral pattern; in the Milky Way, these include the Orion Arm where our Solar System resides.
Source: esa.int
APODs including "Spiral Arms"
ESO 184-G82: Supernova - Gamma Ray Burst Connection
28/02/2002
The Spiral Arms of NGC 4622
25/01/2002
M74: The Perfect Spiral
04/10/2001
Southwest Andromeda
17/09/2001
The Bubbling Cauldron of NGC 3079
22/08/2001
Spiral Galaxy NGC 7742
01/07/2001
M94: Beyond the Blue
13/06/2001
Spiral Galaxy NGC 1232
22/05/2001
Spirals On Edge
10/05/2001
Visitors' Galaxy Gallery
27/04/2001
M100: A Grand Design
03/02/2001
All-Sky Panorama
02/02/2001
Gangly Spiral Galaxy NGC 3184
20/09/2000
Andromeda Island Universe
08/09/2000
GLAST Gamma Ray Sky Simulation
22/07/2000
M63: The Sunflower Galaxy
27/06/2000
M51: The Center Of The Whirlpool
27/05/2000
M106: A Spiral Galaxy with a Strange Core
15/02/2000
Galaxy Wars: M81 Versus M82
09/02/2000
Spiral Galaxy In Centaurus
27/01/2000
The Century that Defined Galaxy
30/12/1999
Irregular Galaxy Sextans A
18/12/1999
NGC 4314: A Nuclear Starburst Ring
12/12/1999
M83: The Southern Pinwheel Galaxy from VLT
06/12/1999
Elliptical Galaxy NGC 4881 in Coma
21/11/1999
NGC 1365: Barred Spiral Galaxy
08/10/1999
M83: A Barred Spiral Galaxy
26/09/1999
NGC 1365: A Nearby Barred Spiral Galaxy
24/06/1999
NGC 4565: Needle Galaxy
17/06/1999
NGC 4414: A Telling Spiral
09/06/1999