Astronomy Today/ 

 - (4th ed)  
 - New Jersey:   Prentice Hall ,  2002 . 
 - xiii,757 p. :  Ill . ; 
<br/><br/> Includes Index   Includes Index  
<br/><br/><label>ISBN: </label>130915424 
<br/><br/><label>Subjects--Topical Terms: </label><br/>_Planet System 
<br/><br/><label>LC Class. No.: </label>QB 43.3 .C48 2002