2. 53 year old Canadian astronaut and undisputed king of zero gravity social media, Chris Hadfield announced his retirement yesterday afternoon. Most recently, Hadfield was commander of the International Space Station (the first Canadian to do so).
3. He posted this rather poignant photo of Canadian Space Agency employees welcoming him back from space.
To say goodbye to these good people today was much harder than I expected. @csa_asc
— Cmdr_Hadfield (@Chris Hadfield)
4. Through his tweets, photos, and videos, Hadfield brought us closer to the experience of living in space than anyone before. Let’s check out some of the highlights, shall we?