Galaxies /  
Time-Life Books 
 - Virginia :   Time-Life Books,   c1989 
 - 144 p. :   il. ;   28 cm. 
 - Voyage Though The Universe .
<br/><br/>Incluye bibliografia : p 137-140, glosario, e índice 
<br/><br/><label>ISBN: </label>0809468506 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Galaxias --Universo 
<br/><br/><label>LC Class. No.: </label>QB857   / G35 1989