Chris Hadfield
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Chris Hadfield on his experience in space

16 May 2013 Last updated at 19:19 BST

Canadian astronaut Chris Hadfield has been talking about his experiences on the International Space Station in his first public appearance since returning to Earth.

Cmdr Hadfield, 53, has gathered nearly a million followers on twitter after tweeting about his life at the space station and sharing images of Earth.

In the news briefing from Houston, he talked about landing back on Earth, how his body was coping with gravity and about the pictures he tweeted from space.