Irion, Robert <br/><br/>
Galaxies:   Island Universes 

 - Pleasantville   Reader's Digest   2001 
 - 66 p. 
 - Out there .
<br/><br/><label>ISBN: </label>0-7621-0312-4. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Density wave theory<br/> Space sciences<br/>Astronomy<br/>Galaxies
<br/><br/><label>LC Class. No.: </label>QB857.I75