Chris Hadfield is a Canadian astronaut and the first Canadian to walk in space. A former Royal Canadian Air Force fighter pilot, Hadfield has flown two space shuttle missions and served as capsule communicator for both Space Shuttle and International Space Station (ISS) expeditions. Hadfield will become the first Canadian to command the ISS when the crew of Expedition 34 departs and Expedition 35 begins.
On January 3, 2013, William Shatner, a Canadian actor best known for his role as Captain Kirk in the original Star Trek series, opened up a hailing frequency to Hadfield when he asked via Twitter: “Are you tweeting from space? MBB.”
Hadfield’s response would engage a Starfleet and energize the Twitterverse. Captured in the gallery below, by the Canadian Space Agency, are Hadfield’s exchanges with Star Trek alumni, as well as a cameo from one very well-respected, and very real, moon walker…