The Cathedral Cave is very different from the above-mentioned celestial structure. The structure here exhibits fibrous characteristics and is very empty.
The diameter of the Milky Way is about 100,000 light-years, of which there are as many as 100 billion to 400 billion star systems. The Milky Way is located in the diameter of , the Virgo super-galaxy cluster, , is about 110 million light-years, of which there are as many as 2,000 galaxies like the Milky Way. In comparison, the diameter of the area where the Cave of Madonna is over 200 million light-years, which is larger than the Virgo super-galaxy cluster, but there are only 60 known galaxies. Even if compared with the average density of the universe, the density of matter here is still only one-tenth of the average density of the universe.
If the emptiness of the universe is scary, then the emptiness of the Madame is even more chilling. What force has led to the formation of such a huge emptiness?
There are two main speculations about the hollow of Matsushima. The first speculation believes that the formation of the hollow of Matsushima is related to higher civilizations. Kardashev level divides cosmic civilization into three different levels. If a civilization can utilize all the energy of the planet, then it has reached the first cosmic civilization, while the second cosmic civilization can utilize all the energy of the star system, and the last third cosmic civilization can utilize all the energy of the galaxy.
Energy is a key factor restricting the development of a civilization. With the development of civilization, the demand for energy will also increase accordingly.
Take the earth as an example. Before the birth of modern science, human energy consumption was very slow. In the past 300 years, human energy consumption has increased leap forward. One day, the energy on the earth will be consumed by humans, and then human civilization will rise to a new level, and we will try to obtain the energy of the sun. As indicated by the Kardashev level, the third cosmic civilization can use all the energy in the galaxy, which also means that its energy consumption is huge.
We can assume that there are one or several higher civilizations in the area where the hollow of Maharaja is located. These civilizations quickly consume the energy in this area, so there are fewer and fewer stars here. As time goes by, galaxies are erased from the universe map, and finally here becomes a hollow.
Of course, this is just a conjecture. Although it is logical, there is no evidence. Another relatively conservative speculation believes that the reason why Madame's hollowness makes people feel so special is not because this area is really special, but because humans still have too little understanding of the universe.
This conjecture believes that the laws of the universe that humans currently know are just the tip of the iceberg. In addition to the matter and energy we know, there are still some unknown matter and energy, and these things are collectively called dark matter and dark energy.
Although we cannot understand the existence of dark matter, these matters are affecting the movement and structure of the universe. The Cathedral Void is not actually as empty as it seems. There are a large amount of dark matter and dark energy that we cannot see in this area. No matter which kind of guess it is, it can only be guesses at the moment, and we have no way to confirm them. When we look around and look at the eight planets orbiting the sun, we feel that we know a lot about the universe, and when we look into the distance, deep space will remind us how ignorant we are.
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