Astronauts begin spacewalk to upgrade station power system
Friday, January 13, 2017 - 10:31
in Astronomy & Space
CAPE CANAVERAL, Fla. (Reuters) - 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.