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Satellite galaxy
A satellite galaxy is a smaller galaxy, typically a dwarf, that is gravitationally bound and orbits a larger host galaxy. These companion galaxies may eventually be tidally disrupted or merge with their hosts, and often contain between a few thousand and a few billion stars.
Source: esa.int
APODs including "Satellite galaxy"
NGC 4651: The Umbrella Galaxy
02/07/2014
The Cosmic Web of the Tarantula Nebula
17/02/2014
M83 Star Streams
17/01/2014
Infrared Portrait of the Large Magellanic Cloud
23/03/2013
Namibian Nights
Video preview available on open
Video
04/02/2013
NGC 602 and Beyond
13/01/2013
47 Tuc Near the Small Magellanic Cloud
06/12/2012
NGC 4449: Star Stream for a Dwarf Galaxy
26/01/2012
Infrared Portrait of the Large Magellanic Cloud
15/01/2012
Hydrogen in the LMC
26/04/2011
NGC 4449: Close-up of a Small Galaxy
25/02/2011
The Cosmic Web of the Tarantula Nebula
11/01/2011
Halloween and the Ghost Head Nebula
31/10/2010
NGC 346 in the Small Magellanic Cloud
17/10/2010
Star Streams and the Sunflower Galaxy
11/09/2010
NGC 1055: Galaxy in a Box
24/04/2010
NGC 4651: The Umbrella Galaxy
15/04/2010
NGC 602 and Beyond
03/04/2010
The Tail of the Small Magellanic Cloud
07/01/2010
Globular Cluster NGC 2419
23/01/2009
NGC 602 and Beyond
25/10/2008
The Star Streams of NGC 5907
19/06/2008
A Large Magellanic Cloud Deep Field
09/04/2008
Halloween and the Ghost Head Nebula
31/10/2007
NGC 4449: Close-Up of a Small Galaxy
10/07/2007
Bright Spiral Galaxy M81 in Ultraviolet from Galex
15/05/2007
Small Galaxy NGC 4449
03/05/2007
NGC 602 and Beyond
10/01/2007
The Large Magellanic Cloud in Infrared
04/09/2006
NGC 346 in the Small Magellanic Cloud
18/01/2005