
The PM and his wife, Laureen, will head to the Canadian Aviation and Space Museum to take part in what is fast becoming one of the hottest -- and coolest -- photo ops in town: a live earth-to-space video chat with International Space Station Commander and social media supernova Chris Hadfield.

Stop rotating, cool bicycle-y plane thing that I would like to photograph! #pmhadfield http://pbs.twimg.com/media/BFaYZk2CcAANcSH.jpg

Not a plane. Still cool. #pmhadfield http://pbs.twimg.com/media/BFaaIXeCUAAsnTC.jpg

Wind, gravity... more wind and... the sun? #pmhadfield http://pbs.twimg.com/media/BFabFS6CIAA1Jbs.jpg

The astronaut of the hour in not-quite-lifesize cardboard cutout mode! #pmhadfield http://pbs.twimg.com/media/BFab8oHCcAEF5N7.jpg

Sniffer Dog! #pmhadfield http://pbs.twimg.com/media/BFaggozCcAEibuN.jpg