Astronaut Tim Peake's first spacewalk: a 'God's eye view' and some tricky repairs

It's 'like mending a watch while wearing oven gloves and falling off an infinitely tall building,' says one veteran. Here's what the astronauts will be doing

Related: The scientific research Tim Peake will carry out in space

For Tim Peake, the view is about to get a whole lot better. After a month confined to the tubular compartments of the International Space Station, the British astronaut is to step outside for the first time on Friday for a spectacular, gruelling spacewalk far above the world.