Arny, Thomas T., Schneider, Stephen E. <br/><br/>
Explorations :  An introduction to astronomy / 
Thomas T. Arny and Stephen E. Schneider. 
 - 9th edition 
 - xxv, 524 pages :  color illustrations ,  24 cm. 
<br/><br/> Includes bibliography and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-1-260-56589-8 
<br/><br/><label>Dewey Class. No.: </label>520  / A768 2020