If the speed of light cannot be surpassed, how will mankind reach the second earth in the distant universe?

If mankind has explored a second Earth, but the second Earth is far away from the solar system, close to half a galaxy, how can it be reached away from the solar system?

You know, according to Einstein's special relativity theory, nothing can exceed the speed of light, which is the fastest speed in the universe. Even if human technology could build very fast spaceships, they still wouldn't reach the speed of light, so flying through such a vast expanse of interstellar space could take a long time. If the second Earth explored by humans is 50,000 light years away, it may be difficult to reach it in several lifetimes by flying in a ship that cannot exceed the speed of light.

Some readers may read this rebuttal: No, according to the theory of relativity, although the speed of the spacecraft does not reach the speed of light, the time dilation effect becomes more pronounced as the speed of the spacecraft increases. The higher the speed of the spacecraft, the slower the relative time, so it may take several hours to reach the second Earth, 50,000 light years away. Just for the inertial system of the Earth, the distance divided by the speed of the spacecraft is needed to calculate it. In other words, the relative time of the Earth may pass very fast - thousands of centuries may have passed within a few hours of the ship's arrival. So even if the speed of light is not reached, by increasing the speed of the spaceship to close to the speed of light, it is possible to reach the home of the second Earth (for the humans on the spaceship) in a very short time.

Indeed, this explanation makes a lot of sense. But don't forget that we have 7 billion people on Earth. Either we need to build a lot of spaceships, or we need to build a giant spaceship that can hold 7 billion people. Either way, the total mass of the spaceship should be used to calculate the energy supply. What's more, according to Einstein's special theory of relativity, the faster an object goes, the greater its mass becomes, infinitely close to the speed of light, and its mass becomes infinite, thus requiring an infinite amount of energy.

So, in the end, old man Einstein easily used his two hypothetical theories (the relativity hypothesis and the invariant speed of light hypothesis), together with the universal human experience, to lock us in the solar system. That is, if you want to break through Einstein's barrier, if you cannot fully develop your mind, then it is just like the second half of the Shukatsu.

Since Einstein blocks the main checkpoint, we have to take a detour. Explore science, explore the universe, and Mizuki Nagisa will continue our journey of discovery with you.

First, is the wormhole method.

Wormhole, also known as the Einstein-Rosen bridge, was proposed by Albert Einstein and Nathan Rosen in 1930 when they were studying gravitational field equations. Theoretically, a "wormhole" can be connected from one place in space to another place in distant space, and the distance can be reduced to a very short distance. For example, there is a "wormhole" on Earth in the solar system and another "wormhole" somewhere beyond the galaxy. The two wormholes are connected. Then from the wormhole on Earth, it is possible to reach beyond the galaxy in an instant.

So, it would be very easy for us to leave our solar system, saving time and effort. But at present, mankind has not found such a wormhole, and it must be found before it can be used, depending on the degree and speed of human technological development. If the level of human technological development to a certain extent, it is entirely possible to build one, then fly out of the solar system in a matter of minutes and seconds, not to mention the possible emergence of wandering Earth solar helium flash, there is no need to use the Earth engine such a stupid way.

Second, is the space bending and folding method.

It originated from Riemann's geometric theory of space and Einstein's general theory of relativity. According to Einstein's general theory of relativity, the curvature of space is related to the mass of the object in that space. The larger the mass, the greater the curvature of space and time, and therefore the greater the gravitational effect. Gravitational waves are the propagation of curved ripples in spacetime. Folding space requires a huge mass. With our current level of technology, it is difficult to fold the space position of the second Earth outside the galaxy to the position of our Earth, then "jump over" and restore the space to its previous state with high technology.

However, with the rapid rise of quantum science in the 21st century, perhaps one day this method of "folding artificial space" will come true. The development of human technology seems to have reached a bottleneck. If we change our thinking and re-examine our three-dimensional world from a different perspective, we may find a different theory and a different answer. This theory and answer may be more extensive and better than Einstein's theory of relativity. Then, it may turn out that bending and folding space may not require any so-called massive objects and super strong gravitational fields to achieve its purpose. If space can be folded by high technology, it will be easy to leave the solar system.

Third, quantum invisible transfer of state.

Using the principle of quantum entanglement, through the quantum state transfer method, all the people or things in the solar system that need to be transferred, even our bright moon, are at the destination by all the transferred quantum states to restore and shape. However, this method is equivalent to destroying the prototype of the solar system, thus creating a replica of the prototype. But if the quantum states of people and things could be copied back completely without reservation, it would be no different from the truth, whether the archetypes are still there or not, right?

But the current research on quantum mechanics is still very superficial, especially since the "inaccuracy principle" inferred by human beings has constrained the "unlovability" of quantum states because it is impossible to obtain all quantum information.

Therefore, the third method can only be realized after the development of technology. At that time, perhaps mankind has found a way to obtain all the information about the quantum state, Heisenberg's inaccuracy principle has been overthrown and discarded, and human scientific knowledge has been renewed. Technology is changing day by day, and it is easy to leave the solar system and go to the distant second earth. Perhaps directly creating a few suitable for human survival of the second third fourth earth is a piece of cake.

Fourth, is the FTL method.

This I do not want to say more, think about the old man Einstein's whim inspiration. Do two hypotheses lock us in the solar system? That's too much for him, isn't it? Not to mention that both his special and general relativity theories have certain flaws. The constant speed of light is a conclusion reached on Earth. No, I should say that all of Einstein's theories were speculated or observed on Earth. He did not go outside the solar system to conduct experiments or observations. How did he know that the fastest speed in the universe is the speed of light? How do you know that nothing can exceed the speed of light? How can you be sure that the vacuum speed of light is a constant 300,000 km/s? Maybe the luminosity outside the galaxy is greater than twice the speed of light that we measure on Earth. Maybe the speed of light in certain regions of the universe changes for some reason. Did Einstein consider that? So maybe there is some kind of FTL, limited only by the current level of human technology, which has not yet been discovered. Once we exceed the speed of light, maybe we will discover the fourth dimension and leave the solar system.

Let's wait and see the future arrival of human high technology to take us out of the solar system.