Su Zhe held his little sister Su Meiyun in his arms, listening to his grandfather Su Daniu talking about the universe and the solar system, and watching the live broadcast of the National Space Station's return spacecraft.
His grandfather Su Daniu became more and more excited as he talked, without stopping at all, and the live broadcast of returning to the spacecraft came to an end.
The three astronauts have already left in the medical vehicle.
But the live broadcast is not over yet.
The live broadcast screen changed from returning to the spacecraft to the studio.
There is a female host and two experts in the studio, and the background is a starry sky.
Countless "stones" flew quickly across the starry sky.
The host and two experts began to explain in detail the whole story of the crisis.
Let’s start with the initial probe hitting an asteroid…
On the morning of the first day of junior high school, Su Zhe spent his time watching the live broadcast and listening to everyone's discussions.
After lunch, Su Zhe squinted for a while.
At three o'clock in the afternoon, he sat in front of his laptop and carefully looked at the results and preparations made by the SS-Defense System.
In the afternoon, he didn't plan to go out. He wanted to stay in front of his laptop and watch the actions of the SS-defense system.
Currently, the asteroid debris is in the interception blind area of the SS-defense system. It will not appear in the interception and strike area of the SS-defense system until 5 p.m.
At this moment, the vanguard of asteroid debris, that is, the first wave of asteroid debris, has flown past the lunar orbit and is less than 100,000 kilometers away from the earth.
This first wave of asteroid debris came from the collision of two asteroids. The largest asteroid debris with a diameter of 35 kilometers disintegrated twice.
Most of the impact points of the first wave of asteroid debris are in the Americas.
This first wave will last for a quarter of an hour.
A quarter of an hour after the first wave ended, the second wave of asteroid debris struck.
The impact points of the second wave of asteroid debris are basically in the European area.
The duration of this wave is half an hour.
Regardless of whether it is the first wave or the second wave, the largest diameter of these asteroid debris is only five meters.
Normally, these asteroid remnants burn up in the atmosphere.
However, there will be special cases, such as metals or other substances that are not easily burned in the asteroid damage. This is also possible.
Only these unburned materials will hit the ground, but the size of these materials hitting the ground will not be too large, and the threat is relatively small.
Compared with previous meteor showers, the meteor shower caused by the collision of these two waves of asteroid debris will be very spectacular.
Not only will the overall time last, many "big meteors" will appear, and a single meteor will last for a long time and will also produce airburst sounds.
Especially those asteroid debris with a diameter of nearly five meters. Asteroid debris of this size will burn up at a lower altitude.
Su Zhe is not lucky enough to see these two meteor showers, but people in America and Europe can experience them in advance.
The most important thing is that when the first wave of meteor showers started, it was dark on the American continent. When the second wave of meteor showers started, the sky was only bright on the European continent, which did not affect the viewing of meteor showers.
After the two waves are over, the large army of asteroid debris will appear at 6 o'clock Yanjing time.
A large force of asteroid debris will first hit the Pacific Ocean and then cover the entire Earth.
It will last twelve hours.
Su Zhe tracked the first wave of asteroid debris in real time through the SS-defense system.
At the same time, it was discovered that most of the motion trajectories of satellites and detectors over the Americas have been adjusted.
The comparison is to avoid the incoming asteroid debris.
He looked at the time, it was three fifty-five.
Just after checking the time, a satellite at an altitude of 9,000 kilometers above the Atlantic Ocean was smashed into pieces by an asteroid debris with a diameter of two meters.
This satellite was really unlucky. It was obviously in a high orbit, but it was still hit by the asteroid debris.
he
It is speculated that this satellite should have lost its maneuverability.
You must know that the trajectories of these asteroid debris have been shared. According to common sense, this situation will not occur.
As the first wave of asteroid debris gets closer and closer to the earth, satellites and detectors in high and low orbits have basically avoided those asteroid debris.
It has been avoided now, and it will depend on whether there is more fuel and luck later.
Just when Su Zhe sighed, the time came to five o'clock.
Thousands of asteroid debris crashed into the atmosphere of the Americas.
Countless lights fell to the ground.
Su Zhe saw this scene from a space perspective through the SS-defense system.
He knew that seeing it from space was definitely not as shocking as seeing it from the ground.
This process lasted for a quarter of an hour before it was over.
After reading this, he immediately switched the screen to the second wave of asteroid debris.
The head of this wave of asteroid debris crossed the synchronous orbit and flew towards the earth quickly.
The time came to half past four.
Like the first wave of asteroid debris, these asteroid debris rushed into the atmosphere at super high speeds.
Every piece of debris burned across.
…
People in the Americas and Europe learned about the time when the asteroid debris struck through the Internet or other channels. They stood outside one after another. Many people took out professional shooting tools to record this moment, and there were also many people who broadcast live.
Before the first wave of asteroids struck, the American continent was shrouded in darkness.
People in the dark night look at the time displayed on their mobile phones, and then look up at the sky.
In the darkness, the stars in the sky are particularly conspicuous.
Suddenly, a bright light flashed in the sky.
Then more and more light fell, and the intensity of the light exceeded that of all previous meteor showers.
For a time, people on the American continent became excited and praised the beauty and spectacle of the meteor shower.
More than ten seconds passed, and a continuous roar reached the ground. The sound was like a mixture of sonic boom and thunder.
Furthermore, many bright lights keep falling and disappear at very low altitudes.
At this moment, many people felt fear.
This process lasted for a quarter of an hour.
After it ended, the people of the American continent woke up from their fear and knew that these asteroid debris posed no real threat.
At this moment, it was not only the people in the Americas who were frightened, but also the people around the world who were watching the live broadcast.
The first wave of asteroid debris attacks has ended, and people around the world have turned their attention to the European region.
At this moment, the European continent was dimly lit. In the "anticipation" of the people of Europe and the world, the impact of the asteroid debris began.
The dense falling light and roaring sounds made Europeans breathless.
After the sun rises above the horizon, the falling light and roar end.
At this time, Yanjing time was five o'clock in the afternoon.
Su Zhe looked at it and saw that the SS-defense system began to intercept.
At first, there were not many red beams emitted, but as time went by, more and more red beams flashed in the sky.
Su Zhe stood by the window and looked at it. He thought it was not interesting, so he sat back in front of the laptop.
Just when he was about to watch the first and second wave of videos shot on the ground, his little sister Su Meiyun staggered into the room.
"Brother! Brother! It's time to eat!"
"Okay! Eat!" Su Zhe stood up and picked up his little sister.
The family ate very quickly and finished their dinner in less than half an hour.
At five fifty, the dishes and chopsticks were all put away.
Su Zhe and his father moved the Eight Immortals table to the open space in front of the door, and the family sat at the Eight Immortals table.
At this time, the sky had darkened, and some shining stars could be vaguely seen.
"Xiao Zhe! The meteor shower starts at six o'clock, right?"
Su Jianguo asked.
"Yes!" Su Zhe replied while watching the second wave of ground-based videos.
Su Daniu looked at the laptop screen and said, "This meteor shower is so scary, it's like a bombing."
Su Zhe nodded and reminded: "Don't worry about anything you see or hear in a while, nothing will fall to the ground."
China is not like abroad. If there is an asteroid with a diameter of five meters that is not completely burned, the SS-defense system will continue to attack the debris.
There will be no debris falling to the ground.
"good!"
"knew!"
His parents and grandfather nodded.
Su Meiyun looked at the sky and shouted: "So much red light!"
In a very short time, countless red beams of light flashed through, and multiple small fireballs appeared in very far places in the sky.
When Su Zhe saw a family looking at him, he explained: "These red beams are hitting the huge asteroid debris."
The red beams that little sister Su Meiyun shouted hit asteroid debris with a diameter of one kilometer to five kilometers.
In the next period of time, the SS-defense system will continue to output large-scale red beams to attack asteroid debris, so that the diameter of the asteroid debris will eventually be less than five meters.
At the same time, asteroid debris that poses a threat to the two space stations, space solar power stations, satellites, detectors, etc. must also be destroyed.
However, satellites and detectors that are not our own will not take care of it.
"Uh!" Su Meiyun nodded seriously, "Brother! When will the meteor shower start?"
"There are still a few minutes!" Su Zhe said with a smile, "Let's look towards the east."
"Which direction is the east?" Su Meiyun asked in a sweet voice.
"The direction the sun rises." Su Zhe replied with a smile.
"Uh! Got it!" Su Meiyun nodded.
When the whole family looked eastward, the time came to six o'clock.
In the distant sky in the east, a bright light fell directly below the horizon, and then countless bright lights came one after another.
"Brother! This is the meteor shower! Beautiful, so beautiful!" Su Meiyun shouted.
Su Zhe held the little girl standing on the stool in his arms and said, "Little sister! The sound will be a little loud in a while. Big brother is here, so don't be afraid."
"Yes! I won't be afraid!" Su Meiyun nodded affirmatively.
Su Zhe looked up at the sky with a smile, and saw the falling light coming from far and near.
After a while, the falling light illuminated the entire sky, accompanied by a harsh roar.
Seeing the bright lights falling all over the sky and listening to the harsh roar, Su Zhe felt the ultimate sense of oppression.
What he felt was that countless fireballs were falling to the ground.
What can relieve the pressure are those red beams that keep flashing.
He couldn't help but lament that if there had been no Xuanwu Plan, or if the Xuanwu Plan had not been implemented regardless of the cost, the future of mankind would have been ruined by this disaster.
There are twenty-three asteroid debris from one kilometer to five kilometers, and three asteroid debris from five kilometers to ten kilometers.
There is also an asteroid remnant with a diameter of 35 kilometers.
The earth can withstand the impact of these asteroid debris, but humans on the earth cannot withstand it.
Looking back, he was a little scared.
In the face of these disasters, human beings are too small.
Fortunately, in the shortest possible time, the SS-defense system was fully deployed.
In fact, after the two asteroids collided and exploded, he was very worried, worried that there was a large amount of radioactive material in the asteroids.
If there is a large amount of radioactive material in the asteroid destruction, even if the SS-defense system is deployed, human civilization will still not be able to escape the result of destruction.
Humanity is lucky this time. After close detection, it was found that there are only very few radioactive materials in the debris of these asteroids, which will not affect the earth's existing ecosystem.
If these wrecks contain a large amount of radioactive material, even if all these wrecks are burned up in the atmosphere, the burned residue will still float in the atmosphere, and eventually these radioactive residues will settle to the ground.
One can imagine the consequences...
Just as he was thinking about it, he heard his mother, Yang Xiuzhi, trembling and murmuring, "This... what will happen if these bright lights fall to the ground!"
Su Zhe looked at the little girl in his arms and found that the little girl Su Meiyun was looking at the sky curiously without any fear.
Su Jianguo turned to look at Su Zhe and said with some fear, "Xiao Zhe! Will these meteors really not fall to the ground?"
"Jianguo! What do you have to worry about?" Su Daniu said nonchalantly, "Xiao Zhe won't fall if he says it won't fall."
Su Jianguo nodded.
Su Daniu said excitedly: "I remember when we were at war, the cannons and aerial bombs kept blowing up, but we were not afraid at all."
"Dad! War can't be compared to now." Su Jianguo pointed to the sky and said, "If these meteors fall to the ground, they will be much more powerful than those aerial bombs and missiles. I heard that the dinosaurs were killed by these meteors."
"Why can't we compete!" Su Daniu said, "You have never been on the battlefield. Do you know what it is like on the battlefield?"
"I have never been to the battlefield, but I have seen it on TV." Su Jianguo replied.
"You can take it seriously if you watch it on TV!" Su Daniu was a little disdainful.
…
While Su Zhe's father and grandfather were debating, most places around the world were hit by large-scale asteroid debris.
In the dark night area, people watched the falling meteors and listened to the harsh roar. Some people were afraid, while others were excited...
In the daytime area, people cannot see the obvious light falling, and can only hear the roaring sounds, which makes people uneasy.
At this moment, everyone on earth knows that mankind has passed on the edge of destruction.
If it hadn't been for the emergence of the Xuanwu defense system, mankind would have definitely suffered from this disaster.
at the same time! People have seen how powerful the Xuanwu defense system is. A single blow can disintegrate the remains of an asteroid that is more than two million kilometers away.
And it can hit so many targets at the same time.
Such a powerful Xuanwu defense system is daunting!
