Astronaut Chris Hadfield explains his space pictures


The amazing photographs tweeted by Canadian commander Chris Hadfield have been seen by more than 750,000 Twitter followers, helping him to become one of the most famous astronauts of all time.

Hadfield has been on the International Space Station since December 2012 and in command of the vessel since March.

He is due to return to Earth on Tuesday.

Danny Savage reports.

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