Aschenbach, B. <br/><br/>
The invisible sky :  ROSAT and the age of x-ray astronomy / 
Bernd Aschenbach, Hermann-Michael Hahn and Joachim Trumper  ; translated by Helmut Jenkner. 
 - New York :  Copernicus,  1998. 
 - 175 p. :  col.ill. ;  25 cm.  
<br/><br/> Originally published: Birkhaus Verlag, Basel, Switzerland, 1996.<br/>Includes index. 
<br/><br/>Introduction -- The history of X-ray astronomy -- ROSAT - Creating a satellite -- X-ray astronomy in our galaxy -- X-ray astronomy outside our galaxy. 
<br/><br/><br/>Translation of: Der unscihtbare Himmel. 
<br/><br/><label>ISBN: </label>0387949283 
<br/><br/><label>LCCN: </label>97034139 
<br/><br/><label>Subjects--Corporate Names: </label><br/>ROSAT. Artificial satellite) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>X-ray astronomy.
<br/><br/><label>Dewey Class. No.: </label>522.6863