Astronaut Chris Hadfield has been entertaining the masses with his tweets, photographs of Earth and videos during his time at the International Space Station.
Commander Hadfield's intriguing insights into life while orbiting the Earth have attracted hundreds of thousands of followers on Twitter and even led to chats with The Queen and William Shatner.
As the Canadian prepares to return to Earth on Tuesday, we take a look at some of his best moments aboard the International Space Station:
Tweeting fascinating images of Earth from the International Space Station
The Queen sends Chris Hadfield her best wishes
The Queen sent her "best wishes" to Chris Hadfield as he took over control of the International Space Station. Her message read:
I am pleased to transmit my personal best wishes, and those of all Canadians, to Colonel Christopher Hadfield as he takes command of the International Space Station on Wednesday.
Our thoughts and best wishes are with him and the entire crew, as are our prayers for an eventual safe return to family, friends and fellow Canadians.
Cmdr Hadfield used his webcam to demonstrate what happens to tears in space:
Hovering 240 miles above space, Cmdr Hadfield and his crew held a live webchat:
Watch the webchat here:
Cmdr Hadfield surprised his crew in space with eggs at Easter:
The Canadian astronaut answered questions from William Shatner during a webchat:
And in the final days of his mission, Cmdr Hadfield recorded his version of David Bowie's Space Oddity:
With deference to the genius of David Bowie, here's Space Oddity, recorded on Station. A last glimpse of the World. http://t.co/DMnMc8qC7f
To which David Bowie responded:
CHRIS HADFIELD SINGS SPACE ODDITY IN SPACE! “Hallo Spaceboy...” Commander Chris Hadfield, currently on... http://t.co/tZV2b8Qq1D
Commander Hadfield is due to return to Earth on Tuesday after handing over controls at the International Space Station to Russian astronaut Pavel Vinogradov.