93
Former @NASA astronaut, Professor at Columbia @CUSEAS, Sr. Advisor for Space Programs @IntrepidMuseum, Author of #Spaceman
1,361,182
96
ESA astronaut & test pilot back on Earth after 6 months in space. Tweets are my own. Pre-order new book (proceeds to Prince's Trust): http://bit.ly/AAATimPeake
1,635,139
393
86
Doug Wheelock
@Astro_Wheels
Test Pilot; NASA Astronaut: STS-120 & ISS-25; Space Station Commander; Spacewalker; Proud Husband & Dad; Poet; Dreamer; NASA Johnson Space Center - Houston
169,654
97
SCIENCE! I love this stuff. My blog RSS feed: http://www.blastr.com/tags/bad-astronomy/feed
608,153
13,810
43,964
93
Everyone you will ever meet knows something you don't.
5,437,179
86
Paolo Nespoli
@astro_paolo
Astronaut @esa- Flight Engineer Exp.52/53 (Jul - Dec 2017), the 3rd @ASI_spazio (Italian Space Agency) long duration mission to the ISS
301,690
82
Crazy fun US Astronaut/space mechanic/speaker/Author: The Ordinary Spaceman, STEAMer, S Media/space, love NASA, inventor Twitpic POTD! http://www.astroclay.com
59,282
87
Navy combat veteran & retired NASA astronaut. Commanded final launch of Space Shuttle Endeavour. Co-founded @GiffordsCourage. Husband to @GabbyGiffords.
187,877
