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Space station or imitation? Try our Gravity quiz
4 March 2014
Last updated at 15:11 GMT
Can you spot scenes from the film Gravity in our gallery of Nasa's space pictures? Try our quiz and find out.
To celebrate the success of Gravity at the Oscars, US space agency Nasa has been tweeting its own images of space. Nasa says its snaps are 'the real Gravity'. Try our quiz to see if you can tell which pictures are the real deal and which are special effects from the box office hit.
Space station or imitation? Is this a Nasa shot or a scene from Gravity? Click through to the next image for the answer...
It's the real deal. This photograph shows the Sun shining on the International Space Station.
Astronaut or astro-NOT? Was this taken by Nasa or by a film crew back in sunny Shepperton in England?
It's the real deal. This photo shows flight engineer Chris Cassidy repairing the International Space Station in 2013.
Space station or computer animation?
This one's fake - it's a scene from the film Gravity!
Weightless flyer, or hanging on a wire?
It's the real deal. Mission Specialist Bruce McCandless was snapped 'free flying’ almost 100 metres away from the Orbiter back in 1984.
Sunny sky or CGI?
This one's fake. Sandra Bullock and George Clooney haven't really been to space!
Simulation or space station?
It's a simulation from the film. Gravity has won awards for its groundbreaking special effects.
Sun set or film set?
It's the real deal. The photo shows the sun setting over Earth, as seen from space.
Moon in the sky or CGI?
It's the real deal. This picture was taken from Space Shuttle Discovery in 1998.
Astronaut or astro-NOT?
It's the real deal! This is astronaut Ed White on the first US Spacewalk on 3 June 1965.
Space mission or animation?
It's the real deal. The snap shows space shuttle Atlantis high above the Earth on its final mission in 2011.
It's the real deal. The city lights of Spain and Portugal can be seen from the International Space Station. How many did you get right?