Brian Cox: Spacewalks are 'the hardest thing we do'

Name: Brian Cox: Spacewalks are 'the hardest thing we do'
Uploaded: 2016-01-14T14:53:17.000Z
Duration: 32 s
Description: Watch space expert, Professor Brian Cox talk about the challenge of Tim Peake's spacewalk in the most hostile environment you can imagine.

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Today Tim Peake will leave the International Space Station to go on a spacewalk.

Top scientist Professor Brian Cox describes spacewalks as the most exciting thing an astronaut does, but also one of the hardest.

Watch the clip to see him talk about what it will be like.

14 January 2016