Voyage of the Stars.

Chapter 994 Dark Matter and Dark Energy
Human beings and the Daya civilization have come to this small universe for more than three hundred years. It is also during these three hundred years that the two civilizations witnessed the birth of the neutron battle star.

Of course, they were not only there to witness the birth of the neutron battle star. During the period of resurgence, the two civilizations were also working hard on scientific research, with a focus on dark matter-related technologies.

However, this technological barrier leading to the most powerful civilization is not easy to break through, and it can even be said that the two civilizations have not made any real progress.

Dark matter theory has been full of mystery since it was proposed. Over the years, human civilization, which has reached the fifth level of civilization, has not learned much about dark matter. Of course, our knowledge has increased, but it is only at a broad level. Progress in rigorous science and mathematics has almost stagnated.

It is widely believed that humans have measured the proportion of dark matter in the universe since the Earth era, but as the level of civilization has improved, humans have discovered that their speculations are not very accurate. In fact, even at this stage, they can only speculate approximately 100%.

And the answer must be limited to the visible universe, which is 930 billion light-years in diameter.

Observational data from the Earth era tells humans that dark matter accounts for 25% of the mass of the universe, dark energy accounts for 70% of the total mass of the universe, and the remaining 5% is visible matter, which is the bright stars in the sky.

But with the advancement of science and technology, countless observational evidence has told mankind that this conclusion is wrong.

After completing the theory of everything, scientists discovered that dark energy cannot actually be calculated in this way, because dark energy is not actually a real energy. It is a bit like the statement that gravity is not a force.

So what exactly is dark energy?
Scientists from both human and Dayan civilizations have come to the conclusion that dark energy is a type of energy that permeates the entire universe, but it is somewhat different from the energy in the traditional sense. It has spatial properties and is a strange type of energy that is infinitely averaged. It is also the culprit for the expansion of the universe.

Some theoretical scientists even believe that the so-called dark energy is actually the universe itself, and that it is theoretical errors that lead to such a large proportion of dark energy mass. In fact, dark energy should not be counted in the total mass of the universe, because that is equivalent to treating the universe as material mass.

This statement is too absolute and has few supporters.

However, the two views that dark energy should not account for that large a proportion and that dark energy has certain spatial properties are recognized by the scientific community.

Compared with dark energy, the understanding of dark matter is much more unified.

Scientists from both human and Dayan civilization agree on the following viewpoints: 1. Dark matter has mass, and in long-range forces it only manifests itself in gravitational interactions, and only gravitational-related technologies can discover dark matter. 2. Dark matter is not a substance, but like matter, it is composed of a variety of dark matter with different properties.

Up to now, humans and Dayan civilization have summarized the third characteristic of dark matter. However, this characteristic has not been recognized by the majority of scientists because it does not have highly credible theoretical support.

That is to say, dark matter is not composed of various fermions like matter, nor is it boson, but a type of matter that cannot be described by the concept of particles.

In this regard, human scientists gave Daya scientists a word to describe it: Hunyuan Yiqi. As a result, the scientists who came up with this word were pointed at the forehead by Daya scientists and accused of superstition.

But in fact, the human scientist just wanted to express the concept of dark matter as a whole.

Because of their racial differences, the two civilizations often have similar misunderstandings, which have led to many jokes, but scientists on both sides do not care much about it.

For example, the concept of Hunyuan Yiqi, after receiving a comprehensive explanation, the scientists of the Daya civilization understood it and they also agreed with this view.

After decades of research, he even co-authored several papers on the unity of dark matter with the scientist who proposed this concept. It roughly means that dark matter has zero friction on the material world and does not have any particle properties. It is a unified substance. Like neutrinos, it is in contact with all intelligent life composed of bright matter at all times. Although dark matter is unified, it has different types, and different types have different properties. Dark matter is also divided into dark matter and dark antimatter, both of which satisfy the law of annihilation and release of energy.

To the creatures in the visible material world, it is an invisible transparent substance.

Gravitational technology can detect dark matter. A dark matter probe technology developed based on gravitational technology is now being jointly developed by humans and Daya civilization.

The theoretical basis is the theory of everything, while the data basis is still the omnipotent super force field.

Based on the few words spoken by the Shenju civilization, humans and the Daya civilization have also determined that dark matter also has a certain emission mechanism similar to radiation. It is this mechanism that makes it impossible for the environment within the galaxy to understand the technology and principles related to vacuum zero-point energy.

The reason why a Level VI civilization can carry out long voyages can actually be summarized into two reasons. One is that a Level VI civilization has a higher warp speed. The other is that dark matter is more widely distributed than matter, and a Level VI civilization can use dark matter to obtain the energy needed for navigation.

For example, the Milky Way and the Andromeda Galaxy are 254 million light-years apart, which is the distance between the outermost matter of the two galaxies. Dark matter has a larger coverage area, so it is possible that from the perspective of dark matter, the two galaxies are closer.

There are even some dark matter islands between extragalactic galaxies.

A lucky level 6 civilization could use this dark matter to replenish energy to support its voyage. But even a level 6 civilization could not predict the existence of such an island.

The reason why the Awakener is so persistent in finding the traces of the Pioneers is that he wants to follow the Pioneers' great voyage routes. After all, the paths that predecessors have taken are always safer than the ones he explores himself.

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Of course, the existence of this dark matter island is only an inference based on the proportion of dark matter in the universe. Now, let alone humans, even many level six civilizations in the Milky Way do not know whether it exists.

This is why whether it is the Awakeners, the Pioneers, or the current Shenju civilization, they all say that only the sixth-level civilization is qualified for the long-distance voyage.

It's just the qualification. A level six civilization that seems to have the ability to know everything can move forward with difficulty in the face of the vast universe, while the rest can only sigh in despair.

Time passed year after year, and in the blink of an eye, another three hundred years had passed.

The dark matter probe scientific research project jointly carried out by humans and Dayan civilization was quite effective in the first hundred years, but then stagnated.

However, theories about dark matter and dark energy are emerging one after another, which seems to be a prelude to a technological blowout, giving both civilizations a glimmer of hope.

For this reason, many scientists from both civilizations have made bold statements, saying that it would only take five thousand years for the two civilizations to master dark matter-related technologies.

This is a bit like what scientists in the Earth era said, that controlled nuclear fusion will only be achieved in another fifty years.

Fifty years forever!
(End of this chapter)