Mike Massimino is an American astronaut who works as a Mission Specialist for NASA. On May 12, 2009, Massimino made history as the first person to "tweet" a message from space while aboard the STS-125, the final shuttle to service the Hubble Space Telescope.Mashable: One Giant Leap for Twitterkind... (May 12, 2009)
Historic Tweet
From orbit: Launch was awesome!! I am feeling great, working hard, & enjoying the magnificent views, the adventure of a lifetime has begun!—Mike Massimino (Astro_Mike)Twitter: Astro_Mike Profile
STS-125 Hubble Repair Mission Crew
- Commander: Scott D. Altman
- Pilot: Retired Navy Capt. Gregory C. Johnson
- Veteran Mission Specialist: Michael J. Massimino
- Veteran Mission Specialist: John M. Grunsfeld
- Mission Specialist: Andrew J. Feustel
- Mission Specialist: Michael T. Good
- Mission Specialist: K. Megan McArthurNASA: STS-125: Final Shuttle Mission to Hubble Space Telescope