NASA Plutonium

["Otto G. Raabe" <ograabe@ucdavis.edu>]

June 7, 2000
Davis, CA

Actually it is the alpha-emitting Pu-238 (88 year half life) that is used
for space batteries by NASA. Pu-241 is a low energy beta emitter (6 kev
average) with a 14 year half life that decays to form Am-241.

Otto
	*****************************************************
	Prof. Otto G. Raabe, Ph.D., CHP
	Institute of Toxicology & Environmental Health (ITEH)
	(Street Address: Bldg. 3792, Old Davis Road)
	University of California, Davis, CA 95616
	E-Mail: ograabe@ucdavis.edu
	Phone:(530) 752-7754, FAX:(530) 758-6140
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