His poignant version of David Bowie’s Space Oddity has made astronaut Chris Hadfield one of the coolest men not on the planet.
And a look at his Twitter feed reveals a stunning collection of images taken from space, including day-to-day life on board the International Space Station.
Hadfield’s mission comes to an end on Monday when he returns to earth.
View from the ISS: 'Dr Seuss-inspired swirls in the Black Sea'
Commander Chris Hadfield performs David Bowie's Space Oddity
While we’ll be glad to have him back, we’ll miss his out-of-this-world hijinks.
We salute you, Commander Hadfield.