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Indeed, as Tang Chao spoke, people began to imagine.

This was the largest artificial space station ever built; the International Space Station could only become a thing of the past.

A maximum length of 109 meters versus a maximum length of over 300 meters.

A maximum width of 73 meters versus a maximum width of nearly 200 meters.

A maximum weight of 420 tons versus a maximum weight of approximately 2500 tons.

Less than 1000 cubic meters of pressurized space versus 10000 cubic meters.

How could they compare?

Moreover, it was said that at the right time and location, such as sunrise or sunset on a high mountain, the reflection of the International Space Station was particularly noticeable, and its brightness was at its highest.

If a single-lens reflex camera with a telephoto lens was used, it might be possible to photograph the International Space Station.

However, the difficulty of shooting was very high.

It was necessary not only to check the orbital position of the International Space Station in advance, but also to set the focal length and exposure value of the camera in advance, then aim at the sky and take continuous shots at the moment the International Space Station appeared in the field of vision.

The whole process was relatively short.

But as long as you could capture it, you could basically clearly capture the outline of the International Space Station.

When all conditions were suitable, and if you had good eyesight, you could even see it with the naked eye, at most it would not be as clear as a single-lens reflex camera could capture, just a spot of light.

In fact, it was not just the International Space Station; even ordinary artificial satellites could reflect sunlight to the ground when they deployed their solar panels.

If the angle was right, people on the ground could see a fast-moving 'star'.

They were often mistaken for UFOs.

If ordinary artificial satellites and the International Space Station were like this, then wouldn't the Tianting Space Station, which was several times larger than the International Space Station, be even clearer to see?

If the side of the deployed solar wing faced the Earth and the conditions were right, could a blurry outline of a light patch be visible to the naked eye, and could a telephoto camera capture a clearer structure?

Indeed, humans not only liked big things and spectacles but were also visual creatures.

【As long as the facial features are good, the three views follow the facial features】

This was not only true for looking at people but also for looking at mechanical equipment.

They liked big things and spectacles, but they also had to be able to see them.

Previously, the International Space Station could be seen as a bright spot with the naked eye, and later the Tianting Space Station could be seen as a vaguely outlined bright patch with the naked eye.

Wouldn't this comparison be obvious?

Netizens had even bigger imaginations and expressed their thoughts freely in the comments.

"Hurry up, I want to see the space station from the ground!"

"Imagine that scenery, it should be very beautiful.

I used to only see fast-moving spots of light at night, knowing that they were artificial satellites or space stations, but I couldn't see what they looked like at all."

"In the future, there will be a template for promoting space exploration.

When the time comes, after the lecture, just point to the sky and let them see it."

"It's a pity not to turn such a large space station into a space fortress.

Don't forget that there are aliens on Mars."

"Doesn't its industrial area have a manufacturing center and a repair shop?

The manufacturing center makes parts, and the repair shop can repair and assemble, so theoretically can it be transformed into an orbital shipyard?"

"Good heavens, are you saying we can build spacecraft directly in space orbit?

I feel like it's very promising, I'm excited just thinking about it!"

"I feel like it might be a little difficult.

After all, it's not a professional space shipyard.

It should be more for conducting experiments, at most making small parts to ensure Tianting's own maintenance, or repairing satellites, but other things... can it repair the Benyue spacecraft?"

"It's hard to say, it depends on where the Benyue spacecraft has problems, right?

If it's just a small thing that's broken, it should be able to be repaired, but if the engine is broken, the Tianting Space Station's orbital repair shop probably won't be able to repair it."

"No matter what you say, we have to wait until it's built to know.

I don't know how long it will take to build such a large space facility?"

"Fast forward to the completion of the Tianting Space Station, and then I win a tourism ticket in a lottery, I can't wait."

Speaking of the specific construction process, this did cause a lot of people to worry, after all, there was the example of the International Space Station before.

It was built by more than a dozen countries in cooperation and took more than ten years.

If Tianting was also like this, or even took longer because of its larger size, wouldn't people have to wait forever?

People nowadays generally don't have patience, they can't wait to propose a plan today and have the finished product built tomorrow.

Of course, technology has now advanced, and with the participation of the Pathfinder, it shouldn't take that long.

However, considering the space transportation equipment that Pathfinder and Tianxia currently have, it doesn't seem easy.

The orbital shuttle can conveniently transport things into space, and people already know this, but its cabin is too small, and it can only transport small parts and a small amount of raw materials.

A carrying capacity of more than two tons is too little.

Moreover, building a huge Tianting Space Station with small parts and raw materials is not as simple as building blocks; astronauts must perform a lot of spacewalking operations.

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Once astronaut spacewalking operations are involved, the time consumed will be even longer.

In terms of current human technology, the method of building space facilities that require welding in science fiction movies can only continue to be done in science fiction movies.

So the orbital shuttle's most suitable job is still transporting people.

Then the best way to build the Tianting Space Station is to build various modules on the ground and then use rockets to transport them to space orbit to 'assemble building blocks'.

This is the space facility construction plan that humans are currently familiar with.

Currently, the rockets that Pathfinder can use are the Yuanhang super-heavy rocket, and the Chuhang rocket has been retired, and the technology has been sold to other aerospace companies.

The rockets that Tianxia officials can use are the recycled version of the Long March 9 and the recycled version of the Long March 5, and other rockets are too small.

Especially the Long March 9, it is very important for the construction of large space stations because it can use a 10-meter diameter fairing.

However, seeing the situation where Pathfinder has a 5-meter core stage rocket flying with a 15-meter diameter fairing, you know that the Long March 9 rocket's fairing is not enough either.

The Tianting Space Station is too big, it's always good to be able to transport multiple modules at once, and some modules in the Tianting structure are indeed huge.

So a larger rocket is definitely needed, larger than the Long March 9.

Tang Chao also knew this, and later he would have to build a manned spacecraft to Mars, and a simulated gravity cabin would definitely be needed.

This time, a small gravity cabin for testing was made, with an unfolded diameter of 30 meters and a folded diameter of 15 meters.

The astronauts participating in the test have already given some feedback, and there are many problems, basically all related to the small diameter.

Then after building the Mars spacecraft, the diameter of the gravity cabin must be expanded, and the folded diameter must also be expanded.

The Yuanhang is probably not enough, and a fairing with a diameter larger than 15 meters may really overturn.

The original design of the Long March 9 does not allow it to mess around like the Yuanhang.

Its fairing has greater limitations, and the expansion is estimated to be only about 15 meters, which cannot transport a larger gravity cabin folding mechanism at all.

So a larger rocket is a rigid demand for early space construction.

The best means for humans to build space facilities is to build them well on the ground, preferably assemble several modules first to save multiple assemblies in space, and then directly transport them to space by large rockets, and then connect with larger modules.

Of course, astronauts can also do some auxiliary assembly work in spacewalking, but it must be simple, just tightening a screw, plugging in a slot, connecting a wire, etc. on the outside.

If you make a long gap for the astronauts to weld, that is embarrassing them.

If this weld is not a straight line, but a jagged one, then the astronauts will be depressed.