Spacewalkers Bo Behnken and Nicholas Patricks completed a spacewalk that lasted six hours and 32 minutes on Friday
After Tranquility was attached to Unity, the spacewalkers connected the heating pipes and data cables that would integrate the new component with the rest of the station's systems. They also repositioned insulation envelopes and ammonia tanks that will be used to connect Tranquility to the station's cooling radiators during the second spacewalk on the night between Saturday and Sunday. On that occasion, the cupola observation deck will also be moved from the end of the Tranquility Unit to the part facing the Earth.
Tonight (at a quarter past four in the morning Israel time) the astronauts on the space station will open the hatches and connect Tranquility to the main body of the station.
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But what is the purpose of building the space station?
What do they want to get out of it?
It's not an experiment, it's part of the station train. There is a multi-year work plan. And they just work according to plan. This time they added another part.
At the same time as the expansion of the station, hundreds of scientific experiments are carried out inside the station.
What are they doing all the work on the space station for? What do they expect to come out of the experiment?