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
427 days ago
A beautiful tapestry of the Earth as today's POTD! Makes a great wallpaper on your computer!
Realtime comments disabled
Copy & paste this code into your website
©2014 Twitpic Inc, All Rights Reserved