TravelGuides – Spacewalkers hook up Russian lab module power cables

TravelGuides – Spacewalkers hook up Russian lab module power cables

Two Russian spacewalkers related a brand new laboratory module to the International Space Station’s power grid Friday, routing and plugging in eight cables to faucet into electrical energy generated by NASA’s photo voltaic power system.

Oleg Novitskiy and Pyotr Dubrov ran about an hour not on time getting two bundles of cables hooked up between the newly-arrived Nauka lab module and the U.S. phase of the station, prompting Russian flight controllers to defer just a few decrease-precedence duties.

But the principle goal of the spacewalk was achieved: all eight power cables have been efficiently related, together with partial connection of an ethernet cable, tying Nauka into the station’s shared power and web programs.

Cosmonaut Oleg Novitskiy works exterior the International Space Station to electrically join a brand new Russian laboratory module to the outpost. This shot was captured by a helmet digital camera utilized by crewmate Pyotr Dubrov. / Credit: NASA TV

“All the connectors were mated correctly,” Russian flight management radioed the spacewalkers after checks confirmed the primary set of cables was working correctly.

“Great! Thank you so much for your confirmation,” one of many cosmonauts replied.

The second set of cables additionally was confirmed to be correctly related and powered.

The tour started at 10:41 a.m. EDT when Novitskiy and Dubrov opened the outer hatch of the Poisk airlock compartment to kick off the 242nd spacewalk in house station historical past, the tenth up to now this yr and the second for the 2 cosmonauts.

The Nauka module arrived on the station on July 29, docking on the Earth-facing port of the Russian Zvezda module on the again finish of the house station. Unexpected thruster firings after the linkup briefly knocked the station out of its regular orientation, however the issue was corrected with none harm to the complicated.

The U.S. and Russian segments of the station share the identical laptop community and photo voltaic power system and the primary of up to 11 Russian spacewalks to outfit the brand new lab module was dedicated to plugging Nauka into the present electrical grid.

The work required shut cooperation between NASA and Russian flight controllers to ensure power was shut down throughout numerous circuits whereas the cosmonauts have been making the required connections. While the work took longer than anticipated, there have been no main issues.

But set up of three house publicity experiments, attachment of two spacewalk handrails on Nauka and the jettisoning of a no-longer-wanted ethernet cable reel have been deferred to a future spacewalk. Novitskiy and Dubrov returned to the Poisk airlock and closed the hatch at 6:35 p.m., formally bringing the 7-hour 54-minute spacewalk to an in depth.

The cosmonauts plan to enterprise again exterior subsequent Thursday to hold out the second within the collection of Nauka outfitting spacewalks, together with at the very least among the duties that have been deferred throughout Friday’s outing.

Then, if all goes nicely, Japanese astronaut Akihiko Hoshide and European Space Agency astronaut Thomas Pesquet plan a spacewalk of their very own three days later to make preparations for set up of a second set of recent photo voltaic arrays in an extended-deliberate power system improve.

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TravelGuides – Spacewalkers hook up Russian lab module power cables