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/u/CatnipFarmer on I am Jeff Hoffman, MIT Professor of Aerospace Engineering and former NASA Astronaut. Ask Me Anything!

19 Feb 2015, 22:17 UTC
/u/CatnipFarmer on I am Jeff Hoffman, MIT Professor of Aerospace Engineering and former NASA Astronaut. Ask Me Anything!
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Wikipedia could answer that question for you.

Wikipedia could answer that question for you.

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