Ricky Arnold
@astro_ricky
@NASA Astronaut & Global Educator. Currently serving as Director of STEM Engagement @UMCES. Tweets are my own. IG:@astro_ricky
ID: 879153462
https://www.nasa.gov/astronauts/biographies/richard-r-arnold 14-10-2012 02:35:14
2,2K Tweet
55,55K Followers
301 Following