Sensational news for the scientific community! Astronomers: 14 antimatter objects lurking in our galaxy
A sensation in the scientific community
Some time ago, scientists reportedly discovered a big secret in the Milky Way galaxy by scanning the sky with gamma rays: there are at least 14 antimatter objects that are very close to the galaxy. They are called "anti-stars". So, what are they?
What is an anti-star?
To answer this question, we want to see what antimatter is. Simply put, it is the reversed state of normal matter. Research has suggested that since there are various objects made of positive matter in the universe, there could also be various objects made of antimatter. However, this is only at the speculative stage.
In the past research on antimatter objects, scientists used to think that it is impossible to separate positive and negative matter in the universe on a large enough scale because it is not by the existing theoretical laws so antimatter objects cannot be found at least within 30 million light years from Earth.
Some researchers have even suggested that antimatter may not exist in the universe at all. However, recent studies have shown that antimatter is also an important part of the universe.
Therefore, researchers believe that between galaxies, there seems to be nothing, a complete vacuum of space, there seem to be antimatter galaxies, composed of antimatter objects, or "anti-stars" as scientists speculate.
If this time, scientists found the existence of these 14 antimatter objects in the Milky Way galaxy, then many mysteries about the universe may be unraveled, such as the "mystery of positive and negative matter asymmetry" that has plagued scientists for many years.
The researchers said that they had actually discovered this mysterious phenomenon through the Alpha Magnetic Spectrometer experiment on the International Space Station a few years ago, but now they have a deeper understanding of them as their research progresses.
For these antimatter objects, the researchers believe they are hidden in the galaxy by "anti-stars," which are no different from a star except that the matter that makes them up is antimatter, which means that the so-called "anti-stars" are antimatter stars. are antimatter stars.
However, just like dark matter, they are still undetectable by humans. They can only lock themselves in place by the massive gamma rays produced by the antistar explosions that occur when positive and negative matter meet.
In fact, in addition to the 14 "anti-star" candidates that scientists have identified so far, more than 5,000 sources are thought to be associated with anti-stars through the study and tracking of gamma-ray signals. But to detect and confirm all of them will take at least 10 years or more, which means it will take a long time to find out the answer.
In addition, some researchers say it is also possible that the 14 "anti-stars" targeted this time may not be antimatter objects, but less active pulsars or black holes. As for whether they are familiar with "ordinary objects", further monitoring is needed.
Why is positive and negative matter asymmetric?
It is reasonable to say that if there is a positive matter, there must be antimatter. But antimatter in the universe is very rare and very asymmetric compared to positive matter.
Devote this time to the study of antistars. Researchers believe that the ratio of the number of anti-stars to normal stars in the Milky Way is about 2.5 million to 1 million. That is, out of about 1 million stars, only about 2-3 anti-stars will appear. So why the asymmetry of the positive and negative materials and the large gap?
It is thought that this may be related to the early evolution of the universe. Last year, an international team of astronomers from many countries concluded that after the Big Bang, there was, in fact, the same amount of positive and negative material in the early universe. However, due to neutrino decay, more positive particles appeared, leading to an asymmetry between positive and negative matter.
This also leads directly to the appearance of gravitational waves in the universe. Simply put, it means that the study of the asymmetry of positive and negative matter in the universe is related to the gravitational waves in the universe.
It is well known that gravitational waves are one of Einstein's predictions in the theory of relativity. Only mankind did not officially prove its existence until the 21st century. Until today, mankind knows very little about gravitational waves, so many questions related to gravitational waves cannot be answered.
However, the well-known mainstream view also suggests that it is related to the early evolution of the universe. If this time scientists can monitor and study the 14 mysterious objects that are really "anti-stellar", then we can study them to find the answer to the mystery of positive and negative matter that do not occupy each other. Let's wait and see, and look forward to the good news soon!
About the Creator
Deljewitzki
Science is no national boundaries， but scholars has his own country
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