'Star Trek' Actors Beam Hellos to Astronaut in Space (Photos)

Leonard Nimoy Tweets Spock's Greeting: "LLAP" (Live Long and Prosper)

Canadian Space Agency

On Jan. 3, 2013, Commander Chris Hadfield of the Canadian Space Agency started tweeting with William Shatner, "Captain Kirk" of the original Star Trek series, and with other Star Trek cast members, plus one very famous real spaceflyer.

Hadfield Tweets Back to Leonard Nimoy

Canadian Space Agency

On Jan. 3, 2013, Commander Chris Hadfield of the Canadian Space Agency started tweeting with William Shatner, "Captain Kirk" of the original Star Trek series, and with other Star Trek cast members, plus one very famous real spaceflyer.

Iconic Astronaut Buzz Aldrin Tweets to Hadfield and Shatner

Canadian Space Agency

On Jan. 3, 2013, Commander Chris Hadfield of the Canadian Space Agency started tweeting with William Shatner, "Captain Kirk" of the original Star Trek series, and with other Star Trek cast members, plus one very famous real spaceflyer.

Shatner Tweets Respect to Buzz Aldrin

Canadian Space Agency

On Jan. 3, 2013, Commander Chris Hadfield of the Canadian Space Agency started tweeting with William Shatner, "Captain Kirk" of the original Star Trek series, and with other Star Trek cast members, plus one very famous real spaceflyer.

Hadfield Caps Off Twitter Star Trek Conversation

Canadian Space Agency

On Jan. 3, 2013, Commander Chris Hadfield of the Canadian Space Agency started tweeting with William Shatner, "Captain Kirk" of the original Star Trek series, and with other Star Trek cast members, plus one very famous real spaceflyer.

Commander Hadfield on the ISS Speaks With William Shatner

Canadian Space Agency

Commander Chris Hadfield aboard the ISS spoke with "Star Trek" actor William Shatner on Feb. 7, 2013.

Commander Hadfield With Floating Microphone and Camera

Canadian Space Agency

Astronaut Chris Hadfield aboard the International Space Station speaks with a Canadian Space Agency colleague on Feb. 7, 2013, while his microphone and camera float nearby in zero-g.

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