WASHINGTON, Feb. 27 (Xinhua) -- U.S. area agency independent agency on Friday gave a go-ahead for Sunday's third spacewalk outside the International orbiter as station managers expressed "a high degree of confidence" concerning the security of yankee spacesuits.
At the conclusion of Wednesday's spacewalk, independent agency traveler Terry Virts noticed alittle quantity of water within his helmet once he was back within the crew lock section of the station's Quest air lock and also the repressurization of the air lock had begun.
Virts' suit "has a history of what's referred to as 'sublimator water carryover,' alittle quantity of residual water within the sublimator cooling element which will condense once the setting round the suit is repressurized following its exposure to vacuum throughout a spacewalk, leading to a small quantity of water pushing into the helmet," independent agency discovered Friday during a diary post.
"A high degree of confidence was expressed that the suit's systems ar dead fine condition and approval was given to proceed with the third spacewalk," the area agency wrote.
During Sunday's spacewalk, Virts and fellow traveler Barry Wilmore can deploy four hundred feet (122 meters) of cable on the truss of the station and install communications antennas to arrange the orbiting science lab for future U.S. business crew vehicles.
The spacewalk can begin around 7:10 a.m. EDT (1210 GMT) and is predicted to last concerning half-dozen hours and forty five minutes.
It will be the 187th spacewalk in support of station assembly and maintenance, the fourth for Wilmore in his career and also the third for Virts.
At the conclusion of Wednesday's spacewalk, independent agency traveler Terry Virts noticed alittle quantity of water within his helmet once he was back within the crew lock section of the station's Quest air lock and also the repressurization of the air lock had begun.
Virts' suit "has a history of what's referred to as 'sublimator water carryover,' alittle quantity of residual water within the sublimator cooling element which will condense once the setting round the suit is repressurized following its exposure to vacuum throughout a spacewalk, leading to a small quantity of water pushing into the helmet," independent agency discovered Friday during a diary post.
"A high degree of confidence was expressed that the suit's systems ar dead fine condition and approval was given to proceed with the third spacewalk," the area agency wrote.
During Sunday's spacewalk, Virts and fellow traveler Barry Wilmore can deploy four hundred feet (122 meters) of cable on the truss of the station and install communications antennas to arrange the orbiting science lab for future U.S. business crew vehicles.
The spacewalk can begin around 7:10 a.m. EDT (1210 GMT) and is predicted to last concerning half-dozen hours and forty five minutes.
It will be the 187th spacewalk in support of station assembly and maintenance, the fourth for Wilmore in his career and also the third for Virts.
0 comments:
Post a Comment