Asimov, Isaac,  1920- <br/><br/>
The universe  from flat earth to quasar 
Isaac Asimov 
 - Harmondsworth  Penguin Books  1971 
 - 351 p. : ill. ; 18 cm. 
<br/><br/> Originally published in 1966  Includes indexes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Popular works