Скачать или смотреть Two astronauts aboard the International Space Station are attempting to repair the cooling system in

(4 Feb 2007) HEADLINE: Astronauts take walk in space to repair ISS
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CAPTION: Two astronauts aboard the International Space Station are attempting to repair the cooling system in a second spacewalk. (Feb. 4)
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[Notes:ANCHOR VOICE]

[Notes:space walk video]
8:44
[Notes:nats of narator talking about what they're doing -- sunny williams, michael lopez alegria playing the part of plumbers some 220 miles above Pacific Ocean]

For the second time in five days two astronauts stepped into space to try and upgrade the cooling station on the international space station.

Sunday, Michael Lopez-alegria (al-le-GREE-ya) and Sunita williams have to unplug cables from a temporary cooling system and connect them to the permanent system.

(2:58 NATS)
"THERE IS COMES, YES. GOOD WORK, WE SEE IN YOUR HELMET CAM THAT YOU GOT IT OFF."

[Notes:more space walk video]
But the mission comes with some risk. Toxic ammonia could leak from the cooling lines. Some flakes did fall in the first walk on Wednesday. But they did not touch the astronauts. But ammonia could cause respiratory problems for the crew, if it got into the space station.

A third spacewalk is scheduled for Thursday - the first time three spacewalks have been scheduled in such a short time.

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