RE: cosmic rays

["Strickert, Rick" <rstrickert@signaturescience.com>]

	> How does the fact that the cosmic rays go all the way 

	> through the body factor into this?



X-rays (and gamma rays) also can go through the body; otherwise there would be only a sillouette on your x-ray film.  It's the energy such ionizing radiation deposits as it passes through the body that results in a dose-equivalent.



Rick Strickert

Austin, TX



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