Living in Space : Five Canadian astronauts take part in CSA's first tweetup

2011-05-13 - Five of our Canadian astronauts took part in a special Q&A session with some 250 students and participants in CSA's first tweetup at the Canada Aviation and Space Museum in Ottawa. These activities were part of the inauguration of the Living in Space exhibition. From left: David Saint-Jacques, Chris Hadfield, Jeremy Hansen, Robert Thirsk, Steve MacLean. (Credit: Canadian Space Agency)