Chapter 422: Chapter 423 Outside the Ethnic Group (Part 2)
The solution is to send a radar signal from the starting star to the target star, calculate the initial speed and the distance of sub-light speed navigation in the objective time compared with the speed of light and the distance travel at the speed of light, and launch such a radar signal in advance in the initial acceleration stage.
The radar signal will reach the target star in the first five years ahead, and then feedback from the target star. When the sub-light speed first advances to the position that requires the side track, it will receive this signal, and then expand its own light sail and use the light sail to change the orbit.
Although the beginning of the sub-light speed does not know where you are, it still knows its own situation and its own direction. As long as you know this information, unfold the light sail with yourself as a reference to present a deflection angle. The particles along the route such as atoms and photons will hit the light sail, making the initial trajectory The slow defllection is like a lonely boat drifting on the ocean.
There is nothing left to do at the beginning. The route has been set long before departure. All problems are left to mathematics to solve, and it can only be left to mathematics to solve. It is up to fate. I just hope that I don't encounter large substances above the molecular volume, which is very dangerous.
After receiving the orbital signal launched at the beginning, the light sail was unfolded to a predetermined angle according to the plan before departure. As for whether there is a orbit change or not, it does not know that the ring of the star rainbow phenomenon will not change its position because of its angle deflected, as long as the speed of the sublight speed does not decrease. It will always exist directly in front of its direction.
Since the signal is received, it means that it is close to the target star system, which also means that it will face a lot of matter larger than the atomic volume. It travels at an extreme speed such as sublight speed, and even a grain of sand in space can give initial penetrating damage. Not long after the light sail unfolded, it was first seen that bright stars gradually separated from the light mass in front of it. They were first purple-blue, then gradually changed to blue and yellow, and then red...
The Doppler effect becomes very obvious at this time. The electromagnetic wave will be compressed when it is close, and it will be stretched when it is far away, thus showing the color change between red and blue, which is the result of the constant speed of light.
The impact of the ruler shrinkage effect, deceleration is a slow process observed in the outside world. It can be seen from the perspective of the initial time, but it is a very fast process. This change of scene is somewhat similar to the spatial transition in science fiction.
"There are a lot of stars, but there is still no way to use them as positioning references now."
At the beginning of observing the changes in the outside world, it is waiting for the speed to drop further. It can observe the cosmic star, indicating that it has separated from the sub-light state, but these stars are rapidly passing by its sides and thrown behind it. It shows that the current speed is still too fast, so it needs to wait at the beginning. It is not in a hurry. It has a lot of time to wait.
Its speed has further decreased. The most obvious evidence is that the stars have returned to the correct position and been fixed around them, no longer because the Doppler effect converges directly in front to form a cosmic rainbow.
But this speed is still very fast. It is not clear at first. It has no way to measure the speed, and can only roughly judge that it is above the speed of the third universe, because as long as it changes the angle of the light sail, it can easily get rid of the gravity of the target star and escape between the vast stars.
"It should be almost done now."
After the speed is lowered, it can't continue to spend time like this at the beginning. The material reserve is not enough. It needs to enter the stellar system as soon as possible, and then get the star's light energy to maintain its own life activities. Without the blessing of the shrinkage effect, space navigation is a very time-consuming process. At first time, it may starve to death. .
At this time, the initial position is outside the Kuiper belt, which can be determined that the star's light is equivalent to starlight, which is not enough to provide it with enough energy. It needs to approach the star.
"I have to be careful, otherwise it will be dangerous."
In this way, he reminded himself to slowly deflend the light sail extending from the tail.
The area of the light sail is very large, which increases the probability of being hit. It is not a problem that can be solved at the beginning. Its self-reminder is meaningless and can only be regarded as a psychological comfort.
Although Chu has lost the help of the population from the starting star after the speed reduction, and there is no way to determine the position of the target star to go to through the stars that even its starting star can't find, it still has a way to determine the position of the star.
The method is always conceived. In the final analysis, the target star is much closer to other stars, so it can detect the emission direction of those charged hydrogen atoms to judge the direction of the target star.
In fact, to put it bluntly, it is the solar wind. As long as you go in the direction of the solar wind, it is absolutely right!
The first threshold to face is the Kuiper belt. Each star has its own Kuiper belt, which is destined to form. The formation of stars is bound to be accompanied by the residue. And even the rarest of these residues does not form planets. It will also inevitably form the Kuiper belt. The difference is only in the density of the meteorite group. If it is dense enough, it may form planets or dwarf planets.
There is a thrilling way to cross the Kuiper belt composed of meteorites, and the first time through the shielding of starlight, so as to judge the position of these meteorites, and avoid them early, otherwise when they enter the horizon, the consequences can be imagined with the efficiency of the light sail.
The Kuiper belt is the second ghost gate that faces for the first time, but it is also the last one. By entering the interior of the star system and keeping a proper distance from the star, it can maintain its own life activities and put a perfect end to this transstellar voyage.
Now it has crossed the Kuiper belt, and the rest is to approach the star. After observing the target star remotely, you can change the light sail angle and move in the direction of the star's rotation. In this way, you can use the gravitational slingshot to increase your speed. At the same time, in order to reduce the consumption of the journey, you deliberately let the cells of the whole body enter a semi-hibernation state. .
In this process, the trajectory of gravity is the same as that of the boat falling into the vortex, which is slowly approaching around a center.
During the journey, because of the appropriate angle, I received the population information from the starting star again. The signal was very weak, but it was still interpretable. This is the ethnic group. At the beginning, the will is right. Time defeated the empire, and the empire curbed the development of the two colonial stars. Finally, it was completely hostile to the Selin people on the two planets. To our surprise, it was really interesting that they looked at the compatriots on Celine as well as the aliens. "
"According to the plan, they will soon start independence in the next decade. Time is really a terrible thing."
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