Arny, Thomas T. <br/><br/>
Explorations: introduction to astronomy 
Thomas T. Arny, Stephen E. Schneider. 
 - 6 th 
 - New York  McGraw Hill  c2010. 
 - xxiii; 571 p.  ill.  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780077345099 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Textbooks