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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
APODs including "Spiral Arms"
NGC 4603 and the Expanding Universe
27/05/1999
GLAST Gamma-Ray Sky Simulation
12/11/1998
Seyfert Galaxy NGC 7742
23/10/1998
Spiral Galaxy NGC 1232
30/09/1998
M61: Virgo Spiral Galaxy
22/09/1998
M65 Without Moth
07/08/1998
NGC 4314: A Nuclear Starburst Ring
15/06/1998
M100: A Grand Design
06/06/1998
M83: A Barred Spiral Galaxy
25/05/1998
A Spiral Galaxy Gallery
14/03/1998
The Solar Neighborhood
25/02/1998
Dusting Spiral Galaxies
16/01/1998
Seeing Through Galaxies
05/12/1997
Irregular Galaxy Sextans A
14/11/1997
IP Pegasi: Spiral Star
22/08/1997
M101: The Pinwheel Galaxy
05/08/1997
M81 in True Color
26/07/1997
M100: A Grand Design
01/06/1997
Barred Spiral Galaxy NGC 1365
19/05/1997
Spiral Galaxy M83 Credit and Copyright:
19/04/1997
Elliptical Galaxy NGC 4881 in Coma Credit:
06/11/1996
Grand Design Spiral Galaxy NGC 2997
30/10/1996
Leo Triplet Spiral Galaxy M65
12/08/1996
Unusual Spiral Galaxy M66
10/08/1996
M81 in True Color
14/07/1996
In the Center of the Whirlpool
25/04/1996
A Spiral Galaxy Gallery
09/04/1996
The X-ray Sources of M31
31/12/1995
Spiral Galaxy M83
12/09/1995