During his six months in space, Hadfield has inspired Canadians with his , posts, videos and even interactive chats with school groups and his participation in Music Monday -- leading one million students in a rendition of the song I.S.S. (Is Somebody Singing), which he co-wrote with Barenaked Ladies frontman Ed Robertson.

Below, CTVNews.ca features some of Hadfield’s most popular posts over the past six months.(You can  see amazing photo albums on his and

Tell us about your own favourite post in the comments section at the bottom of this page.