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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"
Arp 188 and the Tadpole's Tidal Tail
08/01/2006
Andromeda Island Universe
22/12/2005
M83: The Southern Pinwheel Galaxy from VLT
18/12/2005
The Andromeda Galaxy in Infrared
20/10/2005
Spiral Galaxy NGC 1350
06/10/2005
NGC 613: Spiral of Dust and Stars
01/10/2005
One-Armed Spiral Galaxy NGC 4725
01/09/2005
M106 in Canes Venatici
30/07/2005
Visitors' Galaxy Gallery
18/06/2005
Galaxies in View
07/06/2005
M51: Cosmic Whirlpool
28/04/2005
Accretion Disk Simulation
12/03/2005
Barred Spiral Galaxy NGC 1300
12/01/2005
Milky Way Illustrated
04/01/2005
M81 and M82: GALEX Full Field
30/12/2004
NGC 2683: Spiral Edge-On
27/11/2004
The Bubbling Cauldron of NGC 3079
16/10/2004
NGC 7331: A Galaxy So Inclined
01/07/2004
Arp 188 and the Tadpole's Tidal Tail
15/05/2004
Facing NGC 6946
10/04/2004
Unusual Spiral Galaxy M66
07/04/2004
The Spiral Arms of NGC 4622
21/02/2004
NGC 613: Spiral of Dust and Stars
13/02/2004
NGC 1569: Starburst in a Small Galaxy
05/02/2004
Spiral Galaxy NGC 1232
25/01/2004
Spiral Galaxy NGC 3982 Before Supernova
03/11/2003
M33: Spiral Galaxy in Triangulum
24/09/2003
Spiral Galaxy NGC 7742
26/07/2003
NGC 3621: Far Beyond the Local Group
19/07/2003
M74: The Perfect Spiral
24/05/2003