High in the sky.

Although the energy caused by particle collisions is immensely huge.

As mentioned earlier, the space used for explosion near the entrance is just a tiny bit unstable.

Therefore, after the impact generated by the spatial shock, the vicinity of the entrance quickly returned to calm.

One could say this:

The Celestial Palace explosion plan was carried out very smoothly, completely in line with expectations.

Yes, that's right, explosion.

It's the same phrase again.

If 155 can be called a sniper, then categorizing space vibrations as explosions is quite reasonable, right?

As for the possible spatial collapse or 'link disconnection' of the Celestial Palace caused by the explosion, it was ruled out during the plan formulation.

This was mentioned earlier.

With the current technology mastered by the rabbits, it's definitely impossible to explode an independent space.

The main reason the vortex entrance can be exploded is that its entrance resembles a sieve, with many tiny holes connecting to the native space.

The energy generated by the reaction between plasma and Y particles is just right to smash this sieve while not affecting the surrounding complete space.

The barrier is stable, naturally there is no need to worry about the entire space losing connection.

This is like sealing the opening of a metal lottery box with a thin layer of paper; although the paper is the seal, you can pierce it with a little effort from your finger.

But if you want to pierce through the other metal outer wall of the lottery box with a single finger...

Feel free to try if you are confident; the surgery fees are on you.

Unless technology advances, replacing your finger with materials like titanium alloy, otherwise you have no way with this outer wall.

Returning the sight to the vortex entrance.

Shortly after the vortex mouth was shaken open, several drones that were initially stationed hundreds of meters away quickly moved around the entrance.

Their task is not to execute detection missions but to monitor whether any excessive Y particles, spiritual energy, or other substances are escaping.

If a large amount of materials uncontrollably spews out, other equipment on standby further away will quickly rush in to deal with it.

After a few minutes.

On the ground.

Li Bai'an's assistant Zhao Zhiming raised his hand from the main control desk, his expression showing slight relief:

"Report!

Only a small amount of spiritual energy and Y particles are escaping at the vortex entrance, controllable volume, much less than anticipated.

Based on particle momentum analysis, the pressure inside the Celestial Palace should be no different from the pressure at 4000 meters altitude!"

Li Bai'an nodded calmly and continued:

"Very good, Xiaozhao, how large is the vortex entrance after breaking open?"

"It's about a circle with a diameter of forty centimeters."

"Forty centimeters, huh..."

Li Bai'an pondered, touching his chin, and said:

"Our earlier estimate was over twenty centimeters, at most around twenty-eight; it seems the stable structure of the entrance is lower than we anticipated.

But even if it's thirty centimeters, a human body certainly can't go in.

The only possibility was Guo Xiaox, who was passed during author selection due to character issues..."

Then he looked at Lin Ziming and said:

"Colonel Lin, please give the orders."

Although both Li Bai'an and Academician Pan are the execution commanders, Lin Ziming is still the general overseer on site; certain critical projects must have his approval.

Like the upcoming sampling detection.

Although machines conduct the sampling, the preliminary stage requires someone to take a helicopter up there.

And the person to take the helicopter...

Lin Ziming glanced at Li Bai'an and Academician Pan Jianwei, who were eager to try.

His initial intention was to persuade them, but recalling Liu Xiangqian, Hua Jun, and others he had previously interacted with, his words turned into a sigh:

"Alas, Elder Li, Academician Pan, please be careful... Ascend for the detection mission, execute!"

Brrr brrr brrr——

Five minutes later.

Two Zhi 18 helicopters flew up one after another, hovering near the vortex entrance.

Once the aircraft stabilized, inside the helicopter cabin.

Academician Pan Jianwei was briefing Wei Fan on various information; his left hand pressed on a piece of equipment's top shell, his right hand clacking a switch:

"This is the gas sampler code-named Q1, the start point is here....

This is the Floss temperature sensing equipment, the large one is the main control, the small one is the sub-control....

This is...."

Academician Pan's instructions were numerous and complex; most people could only grasp four or five tenths at most.

But Wei Fan is a cultivator at the Qi Cultivation Ninth Layer, with a memory close to photographic. Belonging to those who can cram for political exams in a day.

Thus, he memorized the startup methods of various equipment without much effort.

Finally, wearing a tight protective suit, he carried a pile of equipment and flew towards the vortex entrance.

After arriving at the entrance.

Wei Fan first glanced at the cyclone overhead; at this moment, the cyclone had already been opened up into a dark hole.

Then, like a novice doctor selecting medicine from a prescription, he started deploying equipment one by one into the entrance:

"Q1, first activate the left start terminal. Press the blue button after the yellow light turns on...."

Over ten minutes later, various equipment was successfully sent into the Celestial Palace.

After finishing up, Wei Fan didn't leave. Instead, he picked up a small base station and began human-powered relaying at the entrance.

On the other side.

As soon as the devices were delivered into the Celestial Palace, they began information collection.

The first feedback came from the temperature sensing equipment.

This equipment is equipped with strong laser and sonar ranging systems, which can function normally both underwater and in dusty conditions.

Therefore, within less than half a minute after activation, it detected the extreme boundary of the Celestial Palace.

Of course, the results are certainly not linear.

But in terms of preliminarily judging the area of the Celestial Palace, the errors of several degrees in the angle of elevation can be basically ignored.

Inside the helicopter cabin, Li Bai'an was closely watching the information on the screen:

"Height 137.7 meters, with the landing point on the east side.

The distances in the other three directions are 4136.9 meters, 1928.3 meters, and a whole 1900 meters.

Additionally, there are more than twenty different orientation measurement data, ample enough for model simulation.

That is to say.....

The Celestial Palace looks similar to a space with a square base and a slightly lower height as a flat low-profile cuboid?"

Next to him, Academician Pan nodded and added:

"It might also be an irregular shape that is slightly raised or indented, but the overall deviation won't be too great."

Li Bai'an thought for a moment and said to Zhao Zhiming:

"Xiaozhao, navigate a device to the nearest space boundary to see what the situation is like."

The concept of the space boundary has always been a highly debated topic.

Currently, the discussion about space boundaries mostly revolves around the universe, regarding whether the universe has a boundary.

We currently do not know if space has boundaries, but the space we can observe is bounded, which is the observable universe.

This conclusion is based on the notion that time has a beginning, and the actual observations align with theoretical predictions.

As for the universe beyond observation, it could be finite or infinite.

But events outside the light cone neither interfere with us nor us with them.

It's worth mentioning that there's no evidence showing our position in the universe is special.

Standing anywhere in the universe should look similar to what we observe.

In other words, the universe beyond observation is consistent with the observable universe; there is no "space boundary" in three-dimensional space.

The current common view is that the size of the entire universe is one of three cases:

Positive curvature, zero curvature, or negative curvature.

These models can be inferred by measuring the curvature of geodesics, similar to measuring the sum of interior angles in a triangle drawn on the ground.

However, the scale of the universe is too vast, and current precision is insufficient to detect it.

Thus, discussions often veer into religious or philosophical realms, where opinions vary significantly.

For example, some people casually remark:

"All phenomena are illusions, including space. Thus, there is neither inside nor outside."

And so, the physics discussion goes astray into philosophical debates.

Such remarks sometimes raise your blood pressure sharply, making you wish to punch the person on their bald head.

In reality, however.

The issue of space is fundamentally simple.

The mathematical concept of infinite space is a matter of proposition, depending on definition.

The physical concept of infinite space is an empirical issue, depending on human capability.

Initially, human capability was limited. Thus, not to mention recognizing the universe, independent spaces had not been discovered.

Therefore, disputes were frequent, often occurring among top scientists.

For example, Kip Thorne, the science consultant for 'Interstellar,' once had a major disagreement and ultimately enacted revenge against a rival at 70 years of age.

Ahem...

In summary.

Now that the Celestial Palace Space has been discovered by the rabbits,

it signifies that, in a sense, the local understanding of space will receive a huge boost.

However, the progress of sampling equipment requires time, and other machines are also in the process of activation.

Thus, Li Bai'an and Academician Pan began to chat idly:

"A space covering nearly 20 square kilometers, still floating in the air...

Xiaopan, do you think it's naturally formed, or artificially excavated?"

........

......

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