Where did gold come from? The rare neutron star collision than the supernova explosion

Text |Xiao Peng’s brilliant notes

Edit |Xiao Peng’s brilliant notes

Foreword

In the vast stars of the universe, there are many mysterious and fascinating astronomical phenomena. Among them, the outbreak of Supernova, as one of the most spectacular events in the universe, has always been the focus of research by astronomers.

Recent research shows that it is more rare and mysterious than the supernova eruption, the collision of neutron stars may be an important source of heavy elements such as gold, which has attracted great attention from the global astronomy community.

The collision of neutron stars reveals the new mechanism generated by elements in the universe. So, which other precious elements are formed in addition to gold? Can we reveal more mysteries of the universe through more neutron collision research?

NeutronOverview and discovery of collision

Narrow stars are a very dense celestial bodies in the universe. They are the wreckage formed by the stars after the outbreak of the supernova. Its quality is usually between 1.4 and 2 times the solar quality, but the radius is only about 10 kilometers, so the density is extremely high, reaching the nuclear, and the nuclear Maternal density levels.

Nine -star has a very strong gravitational field and a powerful magnetic field, so it is one of the brightest and stable celestial bodies in the universe.

The formation of neutron stars began at the end of the stars at the end of its life cycle. When the nuclear fuel is exhausted, the star will experience the outbreak of the supernova. Proton fusion forms a neutron, so that the main component of neutron stars is neutrons.

The collision of neutron stars is the process of two neutron stars under the condition of high -speed collision and merger under extreme high -energy conditions. This collision releases huge energy to produce strong gravitational wave radiation and high -energy cosmic rays.

At the moment of collision, the outer material of the star was sprayed. At the same time, the core material experienced extreme temperature and pressure, and nuclear reactions were formed to form heavy elements.

This process is an extremely rare event in the universe, because the neutron star itself is a very rare celestial body. Therefore, the collision of neutron stars is an important source of elements in the universe, especially the key mechanism for forming heavy elements such as gold.

Gravity wave is a gravity radiation predicted by Einstein’s general theory of relativity. It is caused by the bending of time and space caused by huge mass celestial movement. The collision of neutron stars is one of the most severe astronomical events in the universe. The energy released is enough to be in the universe. Generate a strong gravity wave signal.

With the development of gravity wave detection technology, such as the addition of LIGO and Virgo detectors, scientists finally successfully detected the gravity wave signal from neutron stars in 2017. This historic discovery not only confirms the existence of neutron stars, but also It reveals the huge potential of gravity wave detection technology in astronomy.

The physical process of the golden collision of a neutron star

The collision of neutron stars is an extremely rare and high -energy astronomical incident in the universe. When two neutron stars collide and merge at a high speed, huge energy will be released. One of the strenuous celestial body.

At the moment of collision, the huge gravity and pressure made the outer material of the star quickly ejected, forming a huge material eruption. Influence.

The high energy of the collision of neutron stars is extremely high, causing the nuclear reactions to accelerate sharply at the moment of collision. In the process, protons and neutrons in the nucleus of the nucleus will go through the process of nuclear fission and nuclear synthesis to form new heavy elements.

These nuclear composite processes have produced a large number of heavy elements, such as silver, platinum, gold, etc. Among them, the formation of gold is a particularly important process. Through nuclear synthesis, the material in the collision is quickly synthesized into heavy metal elements under high temperature and high pressure conditions. These elements were then ejected into the space space with the eruption of material.

In the eruption caused by the collision of neutron stars, the formation of heavy metal elements also involves the capture of the neutron. The capture of the neutron is a nuclear reaction that refers to a neutron capture of the nucleus and forms a new nucleus.

For the formation of heavy metal elements, especially gold, neutron capture is a vital process. Under the high -temperature and high density environment generated by collision, the atomic nucleus can absorb a large number of free neutrons and form heavier atomic cores, which promotes gold and so on. The formation of heavy metal elements.

The collision of neutron stars is an important source of heavy metal elements in the universe. Especially the generation of gold is closely related to the energy, nuclear synthesis and neutron capture of the collision released by the neutron.

The formation and distribution of gold

Gold is an important heavy metal element. It is scarce in the universe. Although neutron stars collision is an important source of heavy elements such as gold, this type of collision event itself is extremely rare, so the distribution of gold in the universe is relatively small.

Gold can be existed inside the star, such as the nuclear complexation process of the star core; it can also be released to the space space of the universe through the outbreak of the supernova; the collision of the neutron star is another important golden mechanism.

Celestial observation is an important means to understand the formation and distribution of elements in the universe. By observing astronomical phenomena such as different types of stars, supernova explosions, and neutron stars collision, scientists can speculate the mechanism of gold.

The importance of a neutron star collision is that it produces a large amount of heavy metal elements. Among them, gold is one of the important products. By observing the characteristics of such collisions and the energy released, we can further verify the theory of gold forming and understand it in the universe in the universe The distribution in the middle.

Gold on the earth mainly exists in ore, such as gold ore, vulcanized gold ore, etc. Through the research of geological and mineral science, we can speculate that gold on the earth is likely to come from celestial collision in the universe.

A commonly used research method is to analyze the isotopes in gold ore. The isotope is a nucleus with different quality numbers in the same element, and their proportion is usually affected by the physical process formed by the element. By the isotopes of the isotopes in the gold ore The proportion is measured, and scientists can trace the origin of gold and form history.

In addition, you can analyze the meteorites and asteroid samples deposited on the earth to explore whether they contain heavy metal elements such as gold, and to understand their early contributions to the earth.

The formation and distribution of gold is a research hotspot in many fields such as the universe and geology. Through celestial observation, laboratory simulation and geological research, we gradually understand the relationship between the origin of gold and the evolution of cosmic evolution, and continue to explore more more More about the mystery of this precious element.

The relationship between neutron stars and the universe

The collision of neutron stars is a very rare astronomical phenomenon in the universe. Their frequency is closely related to the evolution of the universe. In the early stages of the universe, the collision of neutron stars may be more frequent, because the process of star formation and evolution in the universe was more active at that time.

With the evolution of the universe, a large number of stars have experienced the outbreak of the supernova and forming a neutron star. These neutron stars may approach each other and collide with each other in different areas of the universe. The distance between the universe will increase with the expansion of the universe.

The contribution of gold and the abundance of cosmic elements

The collision of neutron stars has contributed very important to the formation of gold such as gold such as gold in the universe. In the collision of neutron stars, high -energy nuclear reactions make the stars quickly synthesize into heavy elements, such as gold, platinum, etc. In the space, the content of heavy elements in the universe is enriched.

Studies have shown that neutron star collisions are one of the main sources of heavy metal elements in the universe. In addition to gold, important elements such as platinum and uranium are also produced by neutron stars. Do not ignore.

The collision of neutron stars not only affects the abundance of the universe element, but also has an important impact on the formation and evolution of the universe structure. The energy and material eruption released by the collision release have a significant impact on the material density distribution in the universe, forming a structure in the universe, such as the galaxy group, such as the galaxy group. , Galaxy Super League, etc.

The gravitational wave radiation generated by the collision of neutron stars is also an important way of energy communication in the universe. Gravity waves can help astronomers detect the nature and location of the distant celestial bodies, thereby deeply understanding the structure and evolution of the universe.

Comparison of neutron stars collision and supernova explosion

Both neutron stars collision and supernova explosion are extremely strenuous astronomical phenomena in the universe, but they have some similarities in the physical process and effect.

Same:

The collision of neutron stars and the outbreak of supernova are the events that release huge energy. The collision of neutron stars is caused by the collision of two dense neutron stars. The energy release is extremely violent. Very amazing.

Both involve the synthesis of heavy elements. The collision of neutron stars can form a large number of heavy elements through high -energy nuclear reactions, such as gold and platinum. The energy released by the supernova erupted can also promote nuclear synthesis and form heavy elements.

Similar similarities and similarities:

It is rare for neutron stars to collide in the universe, because neutron stars themselves are extremely rare celestial bodies, and the frequency of supernova explosion is relatively high, and hundreds to thousands of supernova eruptions may be erupted each year.

The energy released by neutron stars is smaller than the outbreak of the supernova, but it is still one of the most severe astronomical events in the universe. The energy release of the supernova is more extensive and strong, and it is one of the most dense phenomena in the universe.

Comparison analysis of gold formation process

Both neutron stars collision and supernova explosion have contributed to gold, but the formation process is different. During the process of neutron star collisions, high -energy nuclear reactions make the star material quickly synthesize into heavy elements, including gold, these heavy elements are in the collision substance The eruption was released into the space space.

Supernova explosion is the end of the star life cycle. The explosion caused by the core fuel of the star.

There are many sources of heavy metal elements in the universe. In addition to the collision of neutron stars and the outbreak of supernova, it also includes other celestial processes.

Planet kernel synthesis. Under certain special conditions, the planet kernel may also have a nuclear process process to form heavy elements. In some cases, the wreckage of the supernova erupted may collide with each other and produce nuclear composition.

Red superstar nuclear, red superstar is a stage of star evolution, and their core may also go through the nuclear synthesis process to form heavy elements.

Different heavy metal elements in the universe are very rich. Among them, neutron stars collision and supernova explosion are two important astronomical phenomena. They have made important contributions to the formation of the abundance of the universe. Understand the formation and evolution of the universe.

references:

Zhang Xiaohong, Huang Dadong, Zhang Peng, waiting. (2018). Simulation research of neutron stars and heavy elements.

Zhou Tao, Jia Zhipeng, Ma Shutian, et al. (2020). Discussion of the golden formation mechanism in heavy ion collision experiments. Atomic energy science and technology, 54 (9), 975-980.

Li Guoping, Ma Li, Wang Ming, waiting for. (2021). The phenomenon and significance of the neutron star in the observation of celestial bodies.