Astronauts congratulate Gravity film from ISS

Astronauts aboard the International Space Station have sent congratulations to the makers of 'Gravity' for their success at the Oscars.

The three-man crew, Mike Hopkins, Rick Mastracchio and Koichi Wakata said they "know a little bit about gravity" themselves - and the lack of it...

As his colleagues send their congratulations, Mike then takes a bit of a weightless spin in mid-air!

Can you tell the difference between the movie and the real thing? Try our quiz: Space station or imitation?