Encyclopedia of Astronomy:  a comprehensive survey of our solar system,Galaxy and beyond 
Colin Ronan (consultant editor) 
 - New Jersey:  Chartwell books Inc., 
 - 240 p.:  ill. ; 
<br/><br/> include bibliography and index 
<br/><br/><label>ISBN: </label>0890091943 
<br/><br/><label>Subjects--Topical Terms: </label><br/>astronomy.--encyclopedia.
<br/><br/><label>Dewey Class. No.: </label>520