Crazy fun US (retired) Astronaut/consultant. Helping w/STEM, S Media Q&A/space, love NASA, inventor of Twitpic POTD! http://t.co/vrpaKgQLyW
1478 days ago
How about this one? Geography of the world not my strong suit, so encouraging help from the world of Twitter!
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Answering very old quiz questions: copper mine in Cananea, Mexico (as cataloged by NASA). ;-)
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