A dictionary of astronomy  [electronic resource] / 
[edited by] Ian Ridpath. 
 - 2nd ed., rev. 
 - Oxford :  Oxford University Press,  2012. 
<br/><br/> Previous ed. published as: Oxford dictionary of astronomy. 2007. 
<br/><br/><label>ISBN: </label>9780191739439  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Dictionaries.