Astronauts take 2nd spacewalk for ammonia refill (AP)
CAPE CANAVERAL, Fla. – Space shuttle Endeavour's astronauts are spacewalking again
Crew members saint Feustel and Mike Fincke floated discover of the International Space Station early Sunday morning. It is the ordinal of quaternary spacewalks planned for Endeavour's final voyage.
Feustel and Fincke module add five pounds of liquid to the expanse station's coolant system. One line is leaking slightly, and the astronauts module crowning it off. Ammonia is extremely hazardous, and the two module try to avoid contaminating their spacesuits.
The spacewalkers also module lubricate a large joint that rotates the expanse station's solar wings on the left side.
This is NASA's next-to-last expanse shuttle mission. The 30-year information module end in July with the grace of Atlantis.
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