Astronauts begin spacewalk to upgrade station power system
By Irene Klotz | CAPE CANAVERAL, Fla. CAPE CANAVERAL, Fla. Two astronauts floated outside the International Space Station on Friday for a 6-1/2-hour spacewalk to replace aging batteries for the laboratory’s solar power system, an upgrade needed to keep the outpost running into the next decade, NASA said. U.S. astronaut Shane Kimbrough left the station’s airlock at about 6:30 a.m. EST (1130 GMT) to begin his second […]