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Mada and Jiang Hai were the spaceflight service interns for this period, and they monitored the docking of the Starlight Inn and the gravity simulation module in real-time.

Mada was the same police officer who had contact with Tang Chao when they caught spies at the Binhai Launch Center. He later resigned and participated in Pathfinder's commercial astronaut selection. After being selected as a trainee astronaut for Pathfinder Aerospace, he came to the Starlight Inn for on-the-job training after a period of training.

He happened to be there for this launch mission.

Jiang Hai's situation was similar to his, except that Jiang Hai was a computer engineer. He was very interested when Pathfinder recruited astronauts, so he signed up.

He regularly participated in physical exercise, passed the physical fitness selection, and then had his professional knowledge tested, and he was successfully selected.

When Mada and Jiang Hai felt the Starlight Inn shake slightly, and then the words [Docking Successful] appeared in green on the control computer screen, they began to report the situation to the ground command center.

The completion of docking does not mean that their task is completed. In fact, this step is the beginning of the task.

After confirming the successful docking, the gravity simulation module began to slowly deploy the centrifugal force sensing modules, which are the four irregular rectangular cabins.

Supported by the channel structure, they slowly unfolded, gradually moving away from the central rotating module.

When they were fully deployed, the same arc-shaped fixed supports extended from the bottom of each arc-shaped cabin.

The fixed support of each cabin extended to the rear end of another cabin and automatically locked, and the complete ring was finally formed.

This is not the end. After this step is completed, it is the astronauts' turn to play.

They put on hard-shell extravehicular spacesuits with space maneuvering units, left the Starlight Inn, and flew out to perform a simple fixing task.

They connected another type of fixed support on the rotating shaft to the inner ring corner of the centrifugal force sensing cabin.

When all sixteen fixed supports were connected, forming many triangular structures between the centrifugal force sensing cabin and the rotating module, the gravity simulation module segment was fully deployed.

After they returned to the Starlight Inn and detected no abnormalities in the gravity simulation module, the ground activated the rotation mode of the gravity simulation module.

The reaction nozzles on the outer ring of the centrifugal force sensing cabin ejected high-speed gas to assist the initial rotation of the simulation module. The reaction nozzles stopped ejecting after accelerating to a safe speed.

The two astronauts checked again, confirmed that there were no problems, and then entered the rotating shaft through the gate, selected Cabin 1, and floated down the ladder headfirst with their legs down.

Mada was in the front. The closer they got to the lower cabin, the faster they felt the falling speed. They quickly stepped on the stairs and walked down one step at a time.

Finally, they stood firmly on the floor!

Unlike the previous time when they touched the floor and immediately bounced and floated away, this time landing on the 'ground' meant landing on the 'ground'.

He fluctuated slightly when he landed, took two steps forward, and felt a bit like he was in a pool of water up to his thighs, but he finally stood firm.

Jiang Hai followed closely behind, standing on the floor looking at Mada with a look of surprise, and Mada looked at him with the same expression.

"Haha, we are actually standing firmly on the ground in space."

"This feeling is so amazing. I actually felt 'gravity' in space. I instantly felt like I lost a lot of weight."

Instant weight loss is of course a psychological effect, but it is not just a psychological effect.

In fact, if you observe carefully, the faces of astronauts in space are 'fat'. Regardless of whether their faces are fat or thin on Earth, what causes this change?

The reason is very simple - weightlessness.

When we usually look at someone on Earth, we are generally standing or sitting. At this time, the person's head is on top, and under the influence of Earth's gravity, the person's body fluids, blood, etc. go down.

When blood flows out of the heart, it is of course easier to transport blood to the legs than to the head, so your face looks thinner when you are standing.

When you are lying in bed, your face will look slightly fatter.

When a person enters space under weightless conditions, the body loses the influence of gravity, the body fluids need to be redistributed, the blood rushes upwards, and the pressure on all parts of the body from the heart's blood supply is the same, which of course makes the face look fatter, even fatter than when lying in bed.

Because at this time, there is no gravity difference in any part of the human body.

This phenomenon is 'space puffiness'. This is a 'normal' phenomenon that occurs when a person is in space, because when a person is in a weightless state, the first thing that changes is the disappearance of fluid static pressure in the person's blood vessels.

At this time, the person will experience facial swelling, accompanied by a feeling of head swelling.

This is not like the skit where they trick people into buying crutches and then say some nonsense to make people feel that their faces are getting bigger and bigger. At this time, it is really big.

A big face is a minor issue. Sometimes, there is even frequent urination, because the human body perceives that the chest and head are full of body fluids, giving the sensory organs a false signal of excessive body fluids.

At that time, the endocrine system will automatically regulate the body and excrete some of the body fluids in the form of urine, so people will experience polyuria.

Now that Mada and Jiang Hai feel 'gravity', the body fluids in their bodies begin to redistribute again, going down with gravity, and the facial congestion naturally feels better.

In fact, the gravity in the simulated gravity cabin is not very strong now, only 0.2G, which is about one-fifth of the Earth's gravity, which is greater than the Moon's gravity, and is also suitable for the astronauts' current situation.

Astronauts who have been in space for a while will definitely feel uncomfortable if they suddenly experience about 1G of Earth's gravity. Now 0.2G is about the same. Astronauts can adapt quickly, but it can also produce a certain gravity effect, reducing the adverse effects of the weightless environment on the body.

It's just that it is far from the designed 0.5G simulated gravity. This is because the mass of the combined spacecraft is about 170 tons, and the 85-ton simulated gravity cabin accounts for half of the mass.

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This is also because after the Starlight Inn became commercial, Pathfinder gradually moved some things into it, increasing the mass by 5 tons, so that the two reached a balance in mass. Otherwise, the mass of the simulated gravity cabin would be greater than that of the Starlight Inn.

To prevent accidents, the rotation speed of the simulated gravity cabin is relatively slow. When it docks with a larger space station, its rotation speed can be slightly increased.

If the rotation speed is slightly increased, its simulated gravity can be increased a little.

There are only four space stations in Earth orbit. One is Pathfinder's Starlight Inn, and the others are the Tiangong Space Station, the International Space Station, and the inflatable space station. If you want to dock now, the Tiangong Space Station is definitely the most suitable.

Why?

Because that was the plan.

So soon people discovered that Tianxia's Tiangong Space Station had actually changed its orbit.

The locations of aerospace equipment are publicly available. As long as you want to check, you can check it at any time, so when the location of the Tiangong Space Station changes, some people know about it.

These people sent the news out, and soon a large number of people knew about it.

Then they discovered that the positions of Tiangong and Starlight Inn were getting closer!

"Are they going to dock?!"

"Damn, the Tiangong Space Station and the Starlight Inn are definitely going to dock. They are going to merge!"

"Good家伙, I love watching space mergers the most. Space stations are definitely better when they are bigger!"

Sure enough, under the witness of the audience, the Tiangong Space Station completed docking with the Starlight Inn and successfully merged into a space station weighing about 280 tons.

In this way, the 'ballast' of the simulated gravity rotating cabin reached nearly 190 tons. Compared to the previous mass ratio of almost 1:1, it has now reached 2.2:1, which feels okay.

After the docking was completed and checked to be okay, the rotation speed of the simulated gravity rotating cabin increased, and the 'gravity' also reached 0.3G, which is nearly one-third of Earth's gravity. Astronauts can move around inside better.

The astronauts mentioned here of course include the three astronauts from Tianxia.

"Haha, feeling the 'ground' again, this feeling is really good."

The astronauts said happily.

"We humans have finally gained a firm foothold in space."