Astronauts cut spacewalk short due to suit issue

July 22, 2009 2:24:53 PM PDT
Two astronauts are safely back inside the international space station after cutting short their spacewalk because of a suit problem. [FULL COVERAGE: NASA and space shuttle coverage]
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Mission Control ordered an early end to Wednesday's spacewalk because of rising carbon dioxide levels in Christopher Cassidy's suit. The canister for removing carbon dioxide did not seem to be working properly, and flight controllers wanted him back inside quickly. That meant fellow astronaut David Wolf had to go back in early, too.

Their battery replacement work outside the space station was left unfinished. Only two of four new batteries were installed.

The spacewalk ended up lasting six hours, a half-hour less than planned. It was the third spacewalk in five days for shuttle Endeavour's crew.

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