If human beings develop a spaceship approaching the speed of light, do we dare to fly out of the solar system?

With the rapid development of science and technology, human beings have finally realized their dream of flying to the sky, stepped out of the earth and began to explore the universe. Only when we really walk out of the earth can we understand the vastness of the universe and the smallness of the earth and human beings.

In the era of the earth, human beings rely on the advantage of speed to realize the dream of traveling all over the earth. Now we have fast means of transportation, even from the south to the north of the earth, it doesn’t take a long time to get there. With the continuous improvement and development of speed, the vast earth has finally become a global village. This is the greatness of science and technology and the greatness of human civilization.

Then, when human beings go out of the earth, if they want to realize their dream of exploring the universe, and finally make the universe become a back garden of human beings and a universe village, they can’t do without faster means of transportation. However, as we all know, the universe is so vast that we can’t imagine that the observable range of the universe now reaches 92 billion light-years, and this range may only be the tip of the iceberg of the vast universe.

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Not to mention the whole universe, even the solar system in which human beings live now has a diameter of about 2 light-years. Even if we want to get out of the solar system, we still need a super fast speed. What’s the minimum speed? I believe many people know that Einstein’s theory of relativity has set a speed limit, that is, the speed of light.

That is to say, the speed of a mass object can only be infinitely close to the speed of light, which is what we call sub light speed flight. If the solar system with a diameter of only 2 light-years flies at the speed of light, it will take 2 years to go out. But the speed of light is a speed that the spaceship can’t reach. The fastest speed can only be infinitely close to the speed of light. So if we have a sub light speed spacecraft, we can get out of the solar system?

In terms of speed advantage, as long as human beings can fly at sub light speed, we can fly out of the solar system. But in fact, one day we can, dare we fly out of the solar system? Someone once put forward such a hypothesis, which is very interesting: if human beings develop spaceships close to the speed of light, do we dare to fly out of the solar system?

Some people may say, what dare I do? As long as I have faster speed, I dare to fly out of the galaxy, let alone a small solar system. But the real situation may be far more complex than we think. In many people’s eyes, the universe is a quiet and dead space. Besides human beings, there is no other intelligent life, and there is no terrible cosmic disaster.

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However, with the continuous progress of human science and technology and the continuous improvement of our understanding of the universe, we find that the universe is an unstable space. The peaceful universe we see is just an illusion – because we are trapped in the solar system with a diameter of two light years, it is difficult for us to really understand what the world outside the solar system looks like.

Maybe someone will say, don’t we have telescopes? It can see very distant stars. Yes, telescopes can see very distant objects, even some 10 billion light-years away. We can also observe them. But this kind of observation is only aimed at some very bright objects, such as stars, black holes with obvious accretion disks and so on.

In addition, astronomical telescopes can’t see, for example, most of the objects at the edge of the solar element, because they are too dark. So what are the dangers outside the solar system? Why do we dare not go out even if we have the ability to fly out of the solar system? In fact, the danger of the universe is much more complicated than we think.

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As we all know, the universe is a space close to a vacuum state. In addition to stellar systems such as the solar system, which are still dense in matter, the interstellar space outside the galaxy is really empty, and the universe is still a space whose temperature is close to absolute zero. Of course, these are nothing. All kinds of unknown radiation in the universe do great harm to human body.

Before human beings have solved the problem of artificial gravity and cosmic radiation, we dare not go out of the solar system even if we have developed sub light speed spacecraft. Some people will say, as long as we solve the problems of gravity and radiation, we can get out of the solar system? Maybe we still didn’t dare to go out easily at that time. Why?

What human beings really fear when they walk out of the solar system and enter the interstellar space is actually the unknown alien civilization. Although human beings have not found any alien civilization up to now, everyone knows that alien civilization probably exists. It is possible that the number of alien civilizations in the universe exceeds our imagination. It has been speculated that the number of civilizations in the galaxy alone may be more than hundreds of thousands.

The reason why we haven’t discovered alien civilization is that we haven’t gone out of the solar system. Once we leave the solar system and enter interstellar space, we may encounter alien civilization. At that time, it was hard to say whether it was a blessing or a curse for human beings. Maybe in the eyes of many people, aliens were kind. When human beings met with them, it was an opportunity for human beings.

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But Hawking tells us that alien civilization may not be kind and peace loving, especially when the strength of the two civilizations is too different, it is difficult for the weak civilization to get preferential treatment from the strong civilization. In fact, this is very easy to understand. In the world of human civilization, the fact that a weak country has no diplomacy has long been an eternal reality. Whether in ancient times or in modern times, strength is the right to speak.

If you don’t have strong power, you won’t have real autonomy. This is also the internal situation of human civilization. We belong to the same ancestor. When we encounter with alien civilizations in the universe, they are two completely different races, and the realization of friendly exchanges between the two civilizations naturally requires strength to speak. With similar strength, it is easier to have peaceful exchanges.

If the strength of alien civilization completely crush mankind, then even if the alien civilization will not invade us, it will only turn mankind into a low-level civilization and will not give us the same right of dialogue. The best result is that alien civilization will make human civilization their subsidiary civilization. In this case, do we dare not agree? But once it is agreed, human civilization will lose its right of autonomy.

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Of course, the above situation is more ideal. It is more likely that the powerful alien civilization will directly capture our spaceship, then follow the path to find the earth, and then destroy human beings and completely occupy the earth. It can be seen that it is not necessarily a kind of luck for human beings not to go out of the solar system now. Once we become an interstellar civilization in the future and need to go out of the solar system for exploration, we may encounter more troubles and may bring great crisis to the earth.

Guys, what do you think of this? Welcome to leave a message below to discuss and express your opinions.

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