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Top astronaut, Chris Hadfield, has shared his top tips on how to make it in space.

Hadfield talks about the difficulties he had to overcome to become an astronaut and his idols growing up.

He's just returned from a five-month mission at the International Space Station.

Whilst there Hadfield posted videos like how to make a sandwich in space and how to brush your teeth in space.

Before heading back to earth, he even recorded a song there!

Find out how space travel affects your body.