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
713 days ago
A beautiful tapestry of the Earth as today's POTD! Makes a great wallpaper on your computer!
Realtime comments disabled
©2015 Twitpic Inc, All Rights Reserved