Wednesday, December 25, 2013
(Houston, TX) -- It looks like mission accomplished after a spacewalk at the International Space Station. Tests show astronauts have successfully replaced a cooling pump on the station. The two spacewalkers had some trouble installing the refrigerator-sized pump. They may have been exposed to frozen ammonia while attaching the connectors. Once the new pump is fully operational, the crew can resume scientific operations that were put on hold.