Astronaut's helmet-cam gives spectacular view of Earth during spacewalk

You couldn't ask for a better office view.

On March 30, NASA astronauts Peggy Whitsonand Shane Kimbrough conducted a seven-hour spacewalk roughly 400 kilometres above Earth at the International Space Station (ISS).

Whitson recorded the arduous day at work on her helmet-cam, including the accidental loss of a vital piece of shielding for the space station.

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The pair were reconnecting wires and electrical connections for the pressurized mating adapterat the Harmony module and installed a shield and covers for the berthing mechanism port on Tranquility.

During the spacewalk,a shield was inadvertently lost you can see it drifting away in the video. There is no danger to astronauts or spacecraft.

Mission control quickly devised a plan to use ashield that had been removed earlier, which now provides protection against micrometeroid debris, a hazard in space.