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Astronaut holds first chat with robot Kirobo on ISS

20 December 2013 Last updated at 09:51 GMT

A Japanese astronaut has held a conversation with the first humanoid robot to enter space.

Koichi Wakata chatted with Kirobo on board the International Space Station.

When asked how he felt about being in zero gravity, the robot replied: "I'm used to it now, no problem at all".

Rupert Wingfield-Hayes reports.