Two astronauts went out on a spacewalk Tuesday to wire up the international space station's newest room and keep the next shuttle visit on track for early December.
Commander Peggy Whitson and Daniel Tani needed to hook up power and heater cables and fluid lines between the space station and the Harmony compartment that was delivered by the shuttle last month.
The fluid lines _ for carrying ammonia, a coolant _ were in an 18 1/2-foot, 300-pound (136-kilogram) tray. The spacewalkers removed the tray from its storage location on the space station, then lugged it over to Harmony.
"Don't get it going too fast," Whitson warned Tani. The two …
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