Liu Xin said: "Professor Pang, since that's the case, please explain your thoughts!"

Pang Xuelin said: "In fact, this method is not difficult to say. The main reason why it is difficult for us to detect asteroids with a diameter of less than 500 meters is that these asteroids have a lower visual magnitude (the larger the visual magnitude, the darker the brightness. For humans, the sun's visual magnitude is the highest, which is -26.7, followed by a full moon, is -12.6), and the reflection ability to sunlight is weak, and the reflection of radar waves is not strong. But we can try to enhance the signal feedback ability of these asteroids. For example, we can create large-scale artificial interstellar dust clouds in the space of 10 million kilometers near the Earth's channel. These interstellar dust clouds have strong electromagnetic wave reflection characteristics. When asteroids pass through the interstellar dust clouds, they will feedback strong electromagnetic wave signals. Asteroids with a diameter of ten meters can even increase their signal values ​​by more than a hundred times."

"In this way, as long as an asteroid passes through the interstellar dust clouds, it can leave a series of clear marks in the universe. This is like when a person walks on the snow, he will leave a series of clear footprints, so I call this plan a snow project!"

After Pang Xuelin finished speaking, the entire conference room was quiet for a while, and soon fell into the noise.

No one expected that Pang Xuelin would come up with such an amazing solution.

Let’s not talk about whether this plan is realistic and feasible. This idea alone is of great value for discussion.

For a time, everyone was talking about it, and there was a fierce debate over the feasibility of this plan, with some support and some opposition.

Liu Xin and Sidorf looked at each other, and a look of surprise flashed in their eyes.

Liu Xin had to patted the table and said, "Everyone, let's be quiet, Professor Pang, I have a few questions about this plan. First and most important point, do we have such materials for the manufacture of artificial interstellar dust clouds? Second, the Earth's voyage through the asteroid belt is nearly 200 million kilometers, and the most dangerous section is about 50 million kilometers. If you follow the minimum requirements of the snow engineering plan you mentioned, we will arrange an interstellar dust cloud with a diameter of 10 million kilometers in the radius of the most dangerous 50 million kilometers of channel. The material required is an astronomical figure. Is the material reserve sufficient? Third, how to spread these materials in such a wide range of spaces, how many spacecraft need to be deployed? Have you considered these issues?"

The conference room became quiet again, and Liu Xin undoubtedly reached the key to the snow project, and everyone focused their attention on Pang Xuelin.

The plan he proposed is indeed quite clever, but it is indeed a big question whether the Earth will pass through the asteroid belt in half a month.

Pang Xuelin smiled slightly and was prepared for these issues.

"Secretary General Liu, regarding the first question, I can tell you clearly that we have such a material, that is, metal-based graphene nanocomposite material, which has extremely strong electromagnetic wave reflection effect and can be mass-produced in Jiangcheng Dungeon. As far as I know, the factory reserves have exceeded 200 tons. My idea is that we can wrap this material in a hydrogen bomb of 100 million tons. As long as the hydrogen bomb is delivered to a predetermined position, after the hydrogen bomb explodes, each ton of metal-based graphene nanocomposite material can form at least an interstellar dust cloud with a diameter of more than 100,000 kilometers. In addition, we do not need to arrange this dust cloud with the radius of the Earth's channel. Since the asteroid revolution orbit in the asteroid belt has unidirectional consistency, we can arrange such an interstellar dust cloud on one side of the Earth's channel. The only question now is whether we have enough hydrogen bombs and enough vehicles to deliver the hydrogen bomb to the predetermined location."

Liu Xin narrowed his eyes slightly. He didn't expect that Pang Xuelin had even considered the specific implementation plan of this project.

Liu Xin said: "This question should be answered by General Bell Arnold, commander of the Space Fleet."

As he said that, Liu Xin turned his gaze to the middle-aged man in the space fleet uniform sitting beside him.

Arnold said: "Professor Pang, I can tell you that our military has enough vehicles to deliver what you call metal-based graphene nanocomposites. As for the hydrogen bomb issue, I think flint is a suitable option. As long as our flint is slightly modified, it can directly become a super hydrogen bomb with an equivalent amount of more than 100 million tons. In recent years, in order to prevent problems with planetary engines, we have reserved more than 20,000 flints. As long as a small part is taken out and modified, it can meet the needs of snow engineering."

Pang Xuelin couldn't help but be slightly stunned. Flint is a black technology that only appeared in the movie "The Wandering Earth" and is used to restart the planetary engine.

However, the movie does not clearly state what the flint is. Some people on the Internet guessed that it should be a thermonuclear bomb used to ignite the reunion planetary engine.

Pang Xuelin didn't expect that this thing was actually a hydrogen bomb, and its equivalent exceeded 100 million tons, which was twice the equivalent of the nuclear bomb Tsar launched by the former Soviet Union at the Xindi Island nuclear shooting range, and it was almost comparable to the stellar hydrogen bomb in the Three Body.

Liu Xin said: "Since that's the case, do you have any opinions on the snow project plan?"

The conference room became quiet again, and everyone looked at me and I looked at you.

Soon, one of the astrophysicists took the lead in proclaiming: "I have no objection. Professor Pang's plan is indeed feasible. If this can be successful, it can greatly reduce the risk of the Earth's crossing the asteroid belt!"

"I have no objection, this is a genius idea!"

"I have no objection..."

...

Soon, the people with the congregation expressed their opinions.

Liu Xin said: "Since that's the case, then let's focus the meeting on the discussion of snow engineering!"

Then, scientists began to discuss snow engineering.

Pang Xuelin only gave a rough idea of ​​this plan and a feasible engineering plan. The specific engineering details naturally require scientists to plan and calculate them in detail.

For example, the specific location of the hydrogen bomb, how to detonate, how to accurately calculate the orbit of the asteroids passing through metal dust clouds, what role the space fleet needs to play, etc.

Of course, Pang Xuelin doesn't need to take action on these problems anymore. The United Government has a large team of scientists and engineers that can stand up to solve these problems.

Seeing the people in the conference room getting caught in the heated discussion, Liu Xin smiled and walked to Pang Xuelin and said, "Xiao Pang, are you interested in coming out to chat with the old man?"

"Honored!"

Pang Xuelin nodded.

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