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chromosphere

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chromosphere


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Chromosphere  \Chro"mo*sphere\,  n.  [Gr.  ?  color  +  E.  sphere.] 
  (Astron.) 
  An  atmosphere  of  rare  matter,  composed  principally  of 
  incandescent  hydrogen  gas,  surrounding  the  sun  and  enveloping 
  the  photosphere.  Portions  of  the  chromosphere  are  here  and 
  there  thrown  up  into  enormous  tongues  of  flame. 




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