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   sci.space.tech      Technical and general issues related to      3,113 messages   

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   Message 1,549 of 3,113   
   Ian Stirling to Lynndel Humphreys   
   Re: spectrographic bounce   
   11 Feb 04 18:04:52   
   
   From: root@mauve.demon.co.uk   
      
   Lynndel Humphreys  wrote:   
   > Is the spectrographic color change at the bounce(Mars) marks due to   
   > physical or chemical change?   
      
   Physical.   
   The exposed dirt is a different colour. (this may be due to chemical processes   
   that make the dust colour different on the surface over time)   
   There was no time for chemical reactions.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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