22
May
Washington: Two astronauts aboard the International Space Station will conduct an emergency spacewalk on Tuesday to replace a failed data relay box which is part of a system to control key station hardware, NASA has said. Tuesday's spacewalk, which expected to begin around 8 a.m. EDT and last for about two hours, will be conducted by Expedition 51 Commander Peggy Whitson and Flight Engineer Jack Fischer of NASA. The space station crew has never been in any danger, and the failure of the data relay box, believed to be internal to the box itself, has had no impact on station activities,…