Deep Space Fleet

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Day after day passed.

Busy preparations are underway in an orderly manner. Now that the cooperative relationship with Toss civilization has been finalized, people must discuss the general cooperation plan during this period of time.

After scientific discussion, it was discovered that people's current scientific and technological strength is far from being able to successfully survive the neutron star collision, and they must rely on the interstellar trading market to make their civilization leap forward.

And the 1,000 amoeba points on hand became the most important life-saving straw.

"Gentlemen and ladies, after the demonstration, we found that we must observe the collision of neutron stars at a distance of 120-200 astronomical units in order to obtain more accurate data."

The physicist standing on the stage is named Joseph Needham, and he simulated the entire process of neutron star collisions in an electronic computer.

"However, 120 AU is too close. There is a high probability that our equipment will be destroyed at that moment."

"Once the equipment is destroyed, how can we get data? Our equipment must completely observe the process of two neutron stars colliding, transforming into quark stars, and finally transforming into black holes..."

Zhang Yuan frowned, thoughtful. Theoretically speaking, 120 AU is already quite a large number.

How far is the sun from Pluto?

Only 49 AU.

At this distance of 49 AU, Pluto receives very weak sunlight, and its surface temperature is only minus 201.11 degrees Celsius.

Well, 120 AU is a farther distance...

but!

This distance, compared with the most violent disaster in the universe, the gamma ray burst, is equivalent to a nuclear bomb with a million-ton equivalent. After the explosion, the distance from the crater is about one centimeter!

How to defend, even for a minute or two longer, is a big problem.

"So it's the best way. Humans can find a planet that can shield the observation equipment from wind and rain near here."

The volume of a planet is undoubtedly much larger than that of a spacecraft, and it can also ensure that the equipment can maintain operation for a longer period of time.

However, this kind of thing is a small probability event. And who can guarantee that human beings can find a planet at about 120 AU?

The sun point and aphelion point of Sedna star in the solar system are estimated to be about 76 AU and 937 AU respectively. The orbit from the sun is an ellipse, which will fluctuate.

That is to say, only by building a planetary engine on this planet and controlling its orbit can the distance be controlled.

Professor Needham said a little excitedly: "...Let me introduce the general plan. After we reach that star field, we must take the lead in observing whether the neutron stars will collide immediately. If two neutron stars collide within a few years or It will collide within a few decades, and we don’t even have time to build, so let’s run away first, and it’s impossible to lose our lives because of it!”

"It's just that all the money we paid was in vain, and the battle star of Huantai Civilization will eventually return to the trading market. It has been discussed, and there is no problem in letting this battle star bring us back for free."

There was a lot of noise from the audience, some people thought it was a little funny, and some just shook their heads helplessly.

There is no way to calculate these, everything can only rely on some kind of luck.

"Of course, with a high probability, if the two neutron stars will not collide immediately, and this scale is that they will not collide within 10,000 years, our two civilizations will choose to build two battle stars."

"These battle stars are not used to live in people, but for experiments. Only the most basic mobility is required, and the rest are not required."

He drew a circle on the screen, the outer area of ​​the two neutron stars: "We need to build two planetary fortresses. Place a planetary fortress at 120 AU for astronomical observations."

Then another small circle was drawn: "Another planetary fortress, after all the work is done, trying to hook up a neutron star collision...like this."

Compared with a neutron star, a planet has a small gravitational force, but it still has a certain gravitational force, and can form a simple three-body motion with two rapidly rotating neutron stars.

The three-body motion is an unstable motion that can speed up the time of neutron star collisions.

According to the computer simulation, the planet constantly interferes with the motion of the neutron star through the planetary engine, and after approaching the neutron star to a certain extent, it is immediately torn apart by the violent gravitational force, and then various substances fall to the neutron star at sub-light speed, Creates a powerful explosion. At the same time, the mutual revolving of neutron stars is disturbed, and the collision time will be shortened.

"This is a fairly rough plan in a hypothetical situation, and there may be some adjustments due to local conditions."

"Professor, I have a question." A reporter-like man raised his hand and asked, "Can the collision time of neutron stars be accurately predicted? What if the calculation is inaccurate?"

Needham nodded affirmatively: ""If it is a double star movement, of course it can be more accurately predicted! "

In the absence of external interference, the high-speed revolving of the two neutron stars will consume energy in the form of gravitational radiation and magnetic field radiation. "

Under normal circumstances, two small balls attract each other in space, forming an equilibrium state of mutual high-speed rotation. It seems that there is no energy loss and can revolve forever.

But for ultra-high-mass neutron stars, the space distorted by gravity is like water waves, which have great resistance to their own movement. Slowly, after the kinetic energy is lost to a certain extent, the two neutron stars will "snap" to the ground Clash together.

Of course, for stars, millions of years are the basic unit for any scale. There is a probability that they will collide in the next second, and it may take a million years, or even 100 million years. .

"All in all, as long as two neutron stars are observed at close range, we can calculate the approximate collision time. If a million years really happens, we will not wait for a million years... to consume a neutron star A planetary fortress to accelerate neutron star collisions is also a good result."

This is big amazing generosity!

Many people were dumbfounded. According to the current productivity of human beings, it would take thousands of years for a planet to have initial power, just to speed up the collision of neutron stars?

Zhang Yuan sat under the stage, thinking carefully. This meticulous plan is the largest project of mankind so far. Even if the two civilizations cooperate, it may last for thousands of years.

For the entire new human civilization, it is a huge challenge in belief, technology, and personal safety.

The internal mobilization work must be done well, and the external diplomatic work must also be done well.

Cooperating with the Toss civilization is a better choice if it is not handled well and it will cause trouble. If a civilization builds a battle star, the project volume will be directly reduced by half. What's more, if the two civilizations jointly defend against cosmic disasters, the success rate will be greater.

This is a huge challenge, not only at the technological level, but also at the spiritual level... It is difficult to fully predict the future. A plan that has lasted for thousands of years, can humans complete it without forgetting their original intentions?