Apollo 12 astronaut Alan Bean, putting Plutonium 238 fuel into the SNAP 27 (system for nuclear auxiliary power) radioisotope thermoelectric generator, 1969 [4,000 × 4,164] x-post /r/HI_Res
http://bit.ly/1L247GD via /r/spaceporn http://bit.ly/1RDkCIp via Blogger http://bit.ly/1QqdYpY
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