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		| Paper: | 
		Henry Norris Russell and the Expanding Universe | 
	 
	
		| Volume: | 
		471, Origins of the Expanding Universe: 1912-1932 | 
	 
	
		| Page: | 
		217 | 
	 
	
		| Authors: | 
		DeVorkin, D. | 
	 
	
	
		| Abstract: | 
		Henry Norris Russell, one of the most influential American astronomers of the
 first half of the 20th Century, had a special place in his heart for the Lowell
 Observatory. Although privately critical of the founder for his pronouncements
 about life on Mars and the superiority of the Mars Hill observing site, he
 always supported the Observatory in public and professional circles.
 He staunchly supported Tombaugh's detection of a planet as leading from
 Lowell's prediction, and always promoted V. M. Slipher's spectroscopic
 investigations of planetary and stellar phenomena. But how did he react to
 Slipher's puzzling detection of the extreme radial velocities of spiral nebulae
 starting in 1912, and how did he regard the extension and interpretation of
 those observations by Hubble and others in following decades? Here we describe
 the arc of Russell's reactions, dating from Slipher's first detection, as an
 indicator of how mainstream stellar astronomers reacted to the concept of an
 expanding universe. | 
	 
	
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