Annihilation of the solar system

The golden afterglow of the setting sun adds a gorgeous golden edge to the silhouettes of the city's skyscrapers, and long-lost lights appear on the countless black silhouettes. Gloomy bright spots can be seen everywhere on the gray city buildings, like those that have been hibernating for a long time.

The city gradually opened its sleepy eyes.

Although it is still far from the lights of the past, in the last year of the crisis era, the awakening breath of the urban giant has at least brought some warmth and comfort to humans who are overwhelmed by survival.

In the conference room of the National Academy of Sciences, there was a large circle of people around the long conference table, including Xia Lan and Shen Manling. There was a projection screen at one end of the conference table, and several people sitting around it were displayed on the screen.

They are major scientific research institutions in North America and Europe.

"In view of the fact that the front end of the spore swarm and the broken ice belt has reached the orbit of Mars, planetary defense will enter the battle stage. This is also the last semi-online regular meeting of the Planetary Space Defense Institute, and regular meetings will no longer be held in the future. In the future, in

When necessary and conditions permit, we will hold an online meeting." The chairman of the EDA Scientific Committee in the middle of the screen gave a simple opening speech.

"Next, we combine observation data to demonstrate for the last time how alien organic organisms enter the atmosphere and the main invasion methods after reaching the ground. Although it is already on the eve of the start of the Earth Defense War, the information we have is not detailed. But this

It is still vital to our next defensive operations, please get started."

The screen switched to the North American venue, and Veronica began to speak:

"Based on the observation data of the space telescope, we discovered a new situation."

Veronica's avatar was replaced by an orbit simulation diagram. The two arcs of the predicted orbit will converge into one very close to the earth and then enter low-Earth orbit.

"According to the orbital calculations of the spore swarm and the spore swarm, they will eventually merge together somewhere about 3 million kilometers away from the earth. After accurately observing the position of the front line of the spore swarm and the spore swarm, we found that the broken ice will

It reaches low-Earth orbit before the spore swarm. Combined with the observation that the overall mass of the broken ice belt is larger than the spore swarm, we have a conjecture."

The screen switched to an animation, simulating a conglomeration of spores and ice fragments rushing into the atmosphere. The animation was like a basin of water filled with soap bubbles, with a finger in the middle to create a visible surface of the water.

The small hole. And the light band representing the spore group and the broken ice belt is drilling through the small hole:

"The broken ice belt will rush into the atmosphere first. We have done simulations in super wind tunnels and computers. The broken ice belt continues to impact the atmosphere in the same area, and will create a 'hole' in the atmosphere, just like the atmosphere being smashed.

There was a hole.

In this 'cavity', the density of the atmosphere will be significantly lower than that of the normal atmosphere. As long as subsequent spore groups continue to pass through this 'cavity' wrapped in crushed ice, the spore groups can avoid violent friction with the atmosphere.

It passed through the dense atmosphere and reached the ground basically intact."

"Do you think that the main function of the broken ice belt is to provide protection for spore groups from entering the atmosphere?" the chairman asked.

"This is a reasonable speculation based on existing observational data." Veronica replied.

"Can you predict the specific area in which they will create a 'hole' into the atmosphere?" the chairman asked again.

Veronica shook her head:

"If it is as we expected, then they will need to complete a very complicated orbit change in low-Earth orbit. This makes predictions at this stage impossible. However, we speculate that if they really create a 'hole',

Then it must be at sea. Otherwise, if the spore swarm rushes to the ground at a speed of Mach 10 to 20, they will fall to pieces."

"If it is as you predicted, then our defense mission will be much easier. Concentrate firepower near the 'hole' to 'block' the organic creatures pouring down, and the rest will be much simpler."

The man in military uniform said. Discussions began in several venues around the "groundless" speculation raised by NASA.

Most people had very optimistic expectations about this speculation. After the discussion basically subsided, the chairman of the EDA Scientific Committee said:

"NASA's research results are very meaningful. Let's invite other teams to publish their research results."

A picture of Sir Davis, President of the Royal Astronomical Society of Britain, appeared on the screen. His hair was as white as silver, and the wrinkles on his face were criss-crossed, but his eyes were still bright and sharp. During the whole process, Xia Lan just kept writing on his notebook.

While recording, I almost didn’t even look up at the screen.

"Ms. Veronica's research results are very commendable, and they also provide important support for our predictions. Please take a look at this," the chairman concluded.

Spores like peach cores and ice cubes like crystals appeared on the screen.

"As they get closer, the observations of their individuals become more precise. Similar to our initial observations, the length of these spores and ice blocks is about 10-15 meters, which is about the same size as our bus. The number is 15

-2 billion, most of which are ice cubes.

Since the detector will lose contact as soon as it approaches a certain range of the spore cluster or broken ice zone, the understanding of their internal structure is very limited."

The crystal-like ice cube graphics on the screen were enlarged, but the crystal did not look crystal clear, but rather gray:

"For broken ice cubes, we found through transmittance and refractive index that they are only 60% of pure water ice cubes. They are like frozen muddy water.

The transparency of the ice is very uniform, and no obvious shadows are found in the ice. Although I don’t know why, this is good news for high-energy laser weapons on the moon. The low reflectivity will further improve the damage efficiency of the laser.

improve."

Then the peach core-shaped spores on the screen were enlarged:

"We know even less about spores. But they originate from Titan, and we have found the closest place on Earth to the environment of Titan - Lake Vostok under the 3,800-meter ice sheet in Antarctica. We are there

Many ancient creatures have been found in liquid lakes with extreme environments.

Molecular biology research shows that the neural composition of lake organisms is very different from the organisms we are familiar with. The dendrites and synapses between their neurons are not chemical connections of sodium and potassium ions, but physical connections. This means that they

The reaction speed, agility and tolerance to the environment will be far higher than ours.

So we believe that the invasive organisms may be a large number of such organisms. They may fall into the ocean, and then use the heat energy and nutrients of the seawater to wake up. Finally, they will cover the sky and the sun. Their goal is also obvious, to directly eliminate

Humans. This is our research report, and we have uploaded all detailed data to the eda scientific research platform."

In the following meeting, other scientific research institutions also reported their own research results. But they were basically extensions of the report framework of NASA and the Royal Astronomical Academy. Finally, the head portrait of the chairman of the EDA Scientific Committee appeared on the screen:

"At present, it seems that the conclusions of mainstream scientific research results are consistent with the planetary defense measures we are taking. This also means that in the doomsday war in the near future, our defense plan will play a very important role. This is the responsibility of mankind.

Luck is the luck of civilization. Here, I would like to thank you for your dedication and efforts in scientific research. You determine the future of human civilization."

People in each venue spontaneously applauded. When everyone thought this last regular meeting was over, the chairman said again:

"Dr. Xia Lan, you and your team played the most critical role in the entire alien civilization invasion process. Your research in this area is also the most profound. I want to hear your opinions."

Xia Lan was stunned and looked at the expectant chairperson of the EDA Scientific Committee on the screen with blurred eyes. She looked very confused, and after a while she hesitated and said:

"Dear Mr. Chairman, I...we have no opinions or research results to publish for the time being."

The chairman looked a little disappointed, but a smile quickly took over his entire face:

"Okay, that concludes our regular meeting today. Thank you all for your hard work. Let's adjourn the meeting."