Clayton C. Anderson

@Astro_Clay

Crazy fun US (retired) Astronaut/consultant. Future author (Dec.), help w/STEM, S Media Q&A/space, love NASA, inventor of Twitpic POTD! http://t.co/0dv6eqVNaa

Twitpic will be shutting down October 25th.

Read our blog for more info at http://blog.twitpic.com/2014/09/twitpic-is-shutting-down/

You can export your data and photos at here

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1699 days ago

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PC0101 1051 days ago

Answering very old quiz questions: copper mine in Cananea, Mexico (as cataloged by NASA). ;-)