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Chapter 519 Dongfeng Express, the mission must be achieved! [Second update]

2018年1月12号，夜间19点53分。

The number N.1207 celestial body, arrived at the earth, the first three 10 minutes.

The scientific researchers in the space command center are all on standby, and on the huge electronic display screen, a black-gray celestial body is simulated in 3D, rushing towards the earth at a speed of 70 kilometers per second.

That's right, 70 kilometers per second.

The speed is 25 kilometers per hour, which is not the fastest. After all, the first speed in the universe starts at 7.9 kilometers per second.

However, the shape of this giant celestial body is somewhat similar to an irregular football, with bumps and holes on the surface, but even the 3D simulated dynamic image looks a bit metallic.

After all, there are iron and nickel in the ingredients, and although the staff in the command center have serious faces, the atmosphere on the scene is not tense, and even some old experts are communicating in soft voices.

A year ago, when the collision location of heaven and earth was determined to be in the western region of our country, Huaxia made a lot of preparations for this in the following time, and dozens of sets were prepared for the interception plan alone.

In fact, it is not difficult to intercept celestial bodies, especially since China is still a nuclear-armed country, it is absolutely possible to blast celestial bodies into slag and gasify them directly outside the atmosphere.

The real difficulty is to keep most of the meteorite fragments and let them fall to the designated place after the interception is successful.

otherwise……

If it goes wrong, who is responsible?
The most important thing is that the meteorite fragments must be controlled below 100 meters, otherwise, if the meteorite over 100 meters falls on land, it is likely to cause a Tunguska explosion.

Its power is enough to destroy a small city, and even the shock wave from the explosion covers an area of ​​more than 2000 square kilometers.

Therefore, the 30-square-kilometer Qiangtang no-man's land is the best place for celestial debris to fall, because the place is large enough.

No way, who made our motherland have a vast land and abundant resources?
At the same time, the heads of governments around the world are also focusing on the satellite launch base in Jiuquan, Gansu. After all, there is no way to hide rockets.

Of course!
Since the nuclear bomb was launched and detonated outside the atmosphere, all countries have received notification from China in advance.

Therefore, satellites in low-earth orbit around the world, without exception, are all bypassed, this is also to avoid being affected by nuclear explosions.

But what really interests the heads of state is how will China launch the nuclear bomb?
You must know that China has always been a country that is 'not the first' to use nuclear weapons. Apart from developing nuclear bombs, it has never used them so far.

Therefore, the launch method of the nuclear bomb has attracted special attention.

Was the rocket launched directly from the satellite base in Jiuquan, Gansu?

Or use the ballistic missile silos hidden somewhere in its territory?
It is a pity……

None of these, many melon-eating countries, including the United States, just watch it honestly, want to intervene and interfere?
Shuzi, how dare you!
To paraphrase an old Chinese saying.

At the beginning, China's global call was not a verbal warning, because at this time, all China's rapid response forces were on a first-level combat alert.

If you want to fish in troubled waters or something, weigh the consequences yourself.

Not much to say, when the N.1207 celestial body was less than [-] kilometers away from the earth, the head of the command center who was sitting upright said:

"Contact ground troops."

In the next second, in addition to the 3D simulated dynamic images of celestial bodies, a black-and-white night vision image appeared on the huge electronic display screen. After all, it is nighttime.

However, the area in the picture is somewhere on the Qinghai-Tibet Plateau. At the same time, a "land-based long-range ballistic missile" launch vehicle with 4 groups of 10 rows and 40 wheels appeared at the same time.

Well, it’s called Dongfeng for short.

It is the 'Dongfeng-31A' which ranks second in the Dongfeng family. Its range is as high as 13000 kilometers, which is enough to bombard grandma's house in the United States.

And the person who controls this Dongfeng is the most mysterious army in China.

Second shot!

After the scientific research staff in the command center saw this Dongfeng with their own eyes, many young people were excited. If it wasn't for the wrong occasion, they would have shouted loudly.

Dongfeng Express, the mission must be achieved!

This is a powerful weapon of the country, and now it is time to use it, but outside the picture, there is actually not only one Dongfeng.

A few kilometers away, there is another Dongfeng-31A waiting for it, which is also for the sake of insurance.

It is also the first time for China to use nuclear bombs to bombard celestial bodies. No, it is the first time for the whole world. The risks that need to be borne behind this cannot tolerate any failure at all.

Following the command given by the chief, the modified Dongfeng vehicle erected a missile bay of more than 20 meters and gradually began to warm up.

The reason for the modification is very simple. Although land-based ballistic missiles can also break through the atmosphere, they are still a bit short of hitting targets outside the sky.

Therefore, it has been slightly modified, and the specific parameters will not be detailed, after all, Aunt River Crab is staring at it.

During the warm-up process, the chief stared at the electronic screen, and spoke emphatically and eloquently:

"I believe that this extraterrestrial crisis will be a great gift from the universe."

In just a few minutes, Dongfeng Express finished warming up, and the Second Artillery operator in the car quickly entered a long series of electronic keys, plugged in...

Anyway, to use nuclear weapons, only the chief can give orders.

At the same time, the scientific research personnel in the command center have already connected the ballistic missiles, and there are also many technicians reporting one after another:
"Everything in the missile compartment is normal, the warm-up is good, and it is expected to ignite in 2 minutes."

"Celestial object number N.1207, arriving within 13000 kilometers of the earth."

……

2 minutes is fleeting, and the most exciting part is coming!
Like a rocket launch, the passworder took the microphone and said:
"Countdown to ignition, 10...9...8...7..."

When the countdown reaches zero, all that's left are two words.

fire! ! !
No, it's firing, well, it should be launching!

call! ~
The missile compartment in the picture opened automatically, accompanied by a puff of white smoke, and the east wind with 40 wheels shook violently.

In the next second, a ballistic missile carrying a nuclear warhead, like a sharp sword in the sky, quickly flew into the dark night sky with a huge flame tail.

fire fire...

The dazzling flame tail was immediately detected by countries all over the world, and then caused countless people to be shocked. Dongfeng was actually used?

This is too exaggerated, right?
Although Dongfeng can also shoot satellites, it is probably safer to use rockets for shooting celestial bodies. In fact, this kind of worry is completely ignorant.

"The ballistic missile has been flying for 10 seconds and has broken through the troposphere."

16 kilometers from the ground is the troposphere, and 16 to 48 kilometers above is the stratosphere.

Popular science, the earth's atmosphere is divided into five parts, namely the troposphere, stratosphere, mesosphere, warm layer, and exosphere.

The five layers add up to a total of about 480 kilometers. After reaching the exosphere, because the density of the atmosphere is too low, it is basically in a state of weightlessness, which is regarded as entering the universe.

"Ballistic missile, flying for 15 seconds, has passed through the ozone layer and is about to break through the stratosphere."

The ozone layer is within the stratosphere, at an altitude of about 20-25 kilometers, and within 15 seconds before and after, the flying speed of the Dongfeng missile is getting faster and faster.

"Flying continuously for 30 seconds, the missile reaches the first cosmic speed and enters the warm layer."

"Temperature rise detected, highly ionizing radiation, nuclear warhead all normal."

"..."

There are a lot of blah blah. In about 2 minutes, the ballistic missile passed through the earth's 480-kilometer atmosphere and entered the universe at an astonishing speed of 20 kilometers per second.

Until this moment, the missile jettisoned the entire fuel tank, and the conical combined warhead quickly broke away, accelerating towards a celestial body thousands of kilometers away.

In other words, Dongfeng hit the sky as soon as it hit!
After about tens of seconds...

Under the control of scientific researchers, when the conical warhead was only 1000 kilometers away from the celestial body, the warhead separated again and became 8 nuclear bombs in the shape of triangular points.

Or, eight 100-million-yield hydrogen bombs.

Nuclear bomb is a general term, including atomic bomb and hydrogen bomb. Although the principles of the two are different, the latter is more powerful and has less nuclear radiation left after the explosion.

In fact, there is no need to worry about the radiation problem at all. After all, it is outside the atmosphere. This is the scope of the universe. The earth is always in motion, and nuclear radiation will not cause the slightest impact.

The reason why hydrogen bombs are used is because of the high temperature and strong controllability of nuclear fusion, especially this kind of precise strike.

However, the eight pointed hydrogen bombs on the electronic screen formed a special formation, collided with the celestial body rushing towards the earth in an instant, and penetrated deeply.

explode……

It didn't happen, because the scientific researchers in the command center were all waiting, and it wasn't the time to detonate it yet.

It is necessary to wait until the celestial body is close to the earth before detonating the hydrogen bomb. Otherwise, the meteorite fragments will not even think about it, and they will fall to other places on the earth if they don't fly around the universe.

The former is fine, but the latter is for someone else to make a wedding dress, and if the fragments fall into a human gathering place, the consequences will be disastrous.

N.1207 celestial body, 3000 kilometers away from the earth...

N.1207 celestial body, 2000 kilometers away from the earth...

N.1207 celestial body, 1000 kilometers away from the earth...

……

When the object was captured by the gravity of the earth and the distance was shortened to less than [-] kilometers, the password personnel in the command center immediately conveyed instructions:

"burst!"

On the surface of the black-gray celestial body, bright lights like eight suns appeared immediately, instantly illuminating the night side of the earth like daytime.

The nuclear explosion happened, but it was so quiet that there was no sound.

After all, in the universe, sound cannot be transmitted in a vacuum state, so the electronic screen has also become white.

At the same time, everyone in the command center collectively held their breath. After the light disappeared, countless meteorite fragments appeared on the electronic screen.

"Successfully smashed the celestial body! Through precise scanning, this celestial body with a mass of about 1000 million tons was gasified by the hydrogen bomb by 20% on the spot, and the remaining 80% formed more than 5000 meteorite fragments..."

The technician said excitedly that although there are more than 5000 meteorites, after being frictionally filtered by the atmosphere, some of them will be consumed and there will be no residue left.

After all, there is still solid water in many meteorites, and when the meteorite passes through the earth's atmosphere, it will lose weight five times successively, so it is not bad if three-fifths of the more than 5000 meteorites fall on the earth.

But even so, these more than 3000 celestial meteorites add up to at least several million tons, and they are definitely treasures.

"After calculation, the meteorite fragments will fall at the target location, Qiangtang No Man's Land."

The nearly 30-square-kilometer Qiangtang no-man's land is definitely the best place for meteorites to fall, and the scientific researchers in the command center cheered collectively.

Dongfeng Express, live up to expectations!

The chief also rarely showed a smile, but what really made people happy was that the 'Tianhe' supercomputer immediately calculated the results after the nuclear explosion.

Those meteorite showers that have turned into meteor showers and are passing through the earth's atmosphere are preliminarily estimated that after falling into the no-man's land of Qiangtang, the diameter of the largest fragments should not exceed 60 meters.

In other words, the near-Earth objects that hit the earth were not only destroyed by Huaxia, but the largest meteorite fragments were also successfully controlled below 100 meters, avoiding the occurrence of the Tunguska explosion.

This is another victory for China's aerospace industry!
however……

Even so, Chen Ya, who is alone in the no-man's land of Qiang Tang, may not be able to save his life.

……

[PS: Second watch, seven o'clock in the morning, I can't stand it anymore, go to bed first. 】

(End of this chapter)