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
594 days ago
As I head off to Iowa State today, here's a Pic of the Day for your enjoyment!
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Wow. Earth is amazing.
Emerald Lake, Yoho National Park, 51.441698, -116.536313
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