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Gear floats off in space

Spacewalking astronauts carried out an impromptu patch job outside the International Space Station on Thursday, after losing a vital piece of cloth shielding when it floated away.

As the drama unfolded, Peggy Whitson set a record for the most spacewalks by a woman — eight — and the most accumulated time spent spacewalking — well over 50 hours.

The bundled-up shield somehow came loose as Whitson and Shane Kimbrough worked to install micrometeorite protection over a spot left exposed when a new docking port was relocated. Mission Control monitored the shield as it drifted away and, a couple hours later, determined it posed no risk to the 250-mile-high outpost. It was visible in the distance as a white dot.

As Whitson and Kimbrough installed the three remaining shields, Mission Control quickly came up with a MacGyver-like plan for a patch. The astronauts filled the gap using the cover that they had just removed from the relocated docking port.

The cover is made of the same material as the shielding, according to Mission Control, and just as capable of protecting against potential strikes by bits of space debris and providing thermal control.

It was not immediately clear how the shield got away, said NASA spokesman Dan Huot. It's supposed to be tethered to the station or spacewalker at all times.

The lost fabric shield will eventually re-enter the atmosphere and burn up.



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