| 单词 | geocoronal | 
| 释义 | > as lemmasgeocoronal   geocoronal adj.  Brit.  , U.S.   Atmospheric Physics of or relating to the geocorona.ΘΚΠ the world > the earth > weather and the atmosphere > 			[adjective]		 > layer of gas surrounding earth geocoronal1959 1959    Planetary & Space Sci. 1 65/1  				There is no sufficient argument for the present to refute the ‘geocoronal’ hypothesis. 1978    Nature 5 Oct. 382/1  				The only detectable sky background source is geocoronal Lyα emission. 2004    R. V. Yelle  & S. Miller in  F. Bagenal et al.  Jupiter ix. 187  				Jovian Lyα is strongly blended with a much brighter geocoronal line in the Copernicus data and separation of the two is difficult. < as lemmas  | 
	
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