Spacewalking astronauts take another step toward upgrading ISS power system - New York Post

Two astronauts exited the International Space Station airlock on Tuesday on a nearly 7-hour spacewalk to continue the years-long process of upgrading the orbiting laboratory’s power grid

Two astronauts exited the International Space Station airlock on Tuesday on a nearly 7-hour spacewalk to continue the years-long process of upgrading the orbiting laboratory’s power grid. NASA Astro… [+1870 chars]

full article...