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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"
M83: The Southern Pinwheel Galaxy from VLT
11/05/2003
The Stars of NGC 1705
23/04/2003
Spiral Galaxy In Centaurus
19/04/2003
M106 in Canes Venatici
17/04/2003
NGC 1365: A Nearby Barred Spiral Galaxy
13/04/2003
M101: The Pinwheel Galaxy
10/03/2003
X-Rays from M83
06/02/2003
Facing NGC 6946
04/10/2002
Accretion Disk Simulation
27/09/2002
Spiral Galaxy NGC 300
21/08/2002
Spiral Galaxy NGC 2997 from VLT
04/08/2002
M51: Cosmic Whirlpool
10/07/2002
Bright Galaxy M81
20/06/2002
NGC 3621: Far Beyond the Local Group
05/06/2002
Andromeda Island Universe
18/05/2002
Arp 188 and the Tadpole's Tidal Tail
02/05/2002
NGC 2787: A Barred Lenticular Galaxy
08/04/2002
NGC 4414: A Flocculent Spiral Galaxy
03/04/2002
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