Astronauts carry out marathon spacewalk to recharge cooling system
Monday, November 9, 2015 - 04:24
in Astronomy & Space
CAPE CANAVERAL, Fla. (Reuters) - Two U.S. astronauts spent nearly eight hours spacewalking outside the International Space Station on Friday, grappling with an escape of potentially hazardous ammonia as they switched out a cooling system, NASA said.