Monday, April 17, 2023

COSMOLOGY TOPIC: Supernova πŸ’₯


Supernova is a very powerful explosion that occurs when a star dies. When a star reaches the end of its life, the energy of seismic waves and particles releases a tremendous amount of energy that causes the bright burst of light that can be seen with telescopes of many galaxies. This is one of the most powerful examples of natural phenomena. This explosion produces a large amount of mass and matter to the point where the star that once existed is no longer detectable. Unstable supernova stars can explode suddenly and reach their peak light intensity within hours. After the peak of light, they will experience a decrease in light called the "remanence supernova phase", in which some supernova stars can be observed for thousands of years.

On average, a supernova occurs once every 50 years in a galaxy the size of the Milky Way galaxy. Supernovas have a role in enriching the interstellar medium with elements of a larger mass. Furthermore, the shock wave from the supernova explosion can form new star formation.

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[ "TYPES OF SUPERNOVA" ]
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There are several of the most common supernovae, including:

1. Type Ia Supernova: This is the type of explosion that occurs when a middle-aged star, which is usually associated with a fat white-mantle star, dies.

A Type Ia supernova is a type of supernova explosion that occurs as a result of an intersection binary system, in which one component has a very short lifetime ("a stirrer", usually a neutron star or white star) while the other component (a giant star) vaporizes material into a white star. . Material that crosses this critical boundary causes the white star to collapse and the gill star to explode, producing a brightly colored supernova explosion, usually with a brightness level comparable to that of 100 million ordinary stars.

This type of supernova is predicted to be brighter than other types of supernova and does not contain hydrogen elements in spectral lines, with different transparency. Because of this, this type of supernova is a very useful long-range imaging tool, and has been used to measure distances to galaxies as far as 10 billion light years away.

2. Supernova Type Ib/c: This is the type of explosion that occurs when a young star dies. Generally, young stars are known as black stars or fast rotating stars.

A Type Ib/c supernova is a type of supernova caused by the mass explosion of a very large star. This occurs when a star can no longer maintain its internal gravitational equilibrium, causing it to implode in on itself. This explosion produces
radiation and particle energy that surpasses that of any other star in the solar system. In this explosion, hydrogen and helium were not found in the spectral lines.

Type Ib/c supernovae are generally more violent than other supernovae, such as Type Ia and Type II. This is because this type of supernova is created by a much longer implosion process. Most Type Ib/c Supernovae are stellar trunks that do not have a protective hydrogen layer on the outside, and some are binary star systems consisting of a black, shining component.

Usually this explosion is characterized by the presence of chemical elements produced during the explosion, such as nitrogen and carbon. Type Ib/c supernovae are also the ones most often used to determine the distances of more distant galaxies.

3. Supernova Type II: This explosion is caused by the failure of the core of an old star. Type II supernovae sometimes produce thick nebulae around them like most of the wider space.

A Type II supernova is a type of supernova explosion caused by a massive failure of the star's internal structure. These stars can be anywhere from 10 times the mass of the Sun to about 100 times the mass of the Sun. This explosion elemental type of hydrogen in the spectral line

The explosion was originally caused by the fall of the outer layers of the star into the center, where the outer layers caused a fission chain reaction that generated enough energy to erupt. Type II supernova stars are usually surrounded by small halos of gas and dust particles called "supernova nebulae". This circle denotes an environment that has been absorbed from a dead star. After erupting, a Type II supernova will emit a hundred million times more energy than the previous Sun. This energy will melt or "ionize" the surrounding gas and dust and form circles called supernova nebulae.

4. Neutron crash: This explosion occurs when two neutron stars crash into each other. Among neutron stars, collisions don't happen often, but whenever they do, they start lethe so-called supernova type Ib/c.

5. Hypernova: This type of explosion releases more energy than a supernova. A hypernova is an explosive event that occurs when a very massive giant star reaches a certain mass weight. This mass exceeds a critical limit known as the "Chandrasekhar point". When this point is reached, gravity increases the pressure and temperature inside the star until the atoms break apart in the process of nuclear fusion. The sudden nuclear fusion produces energy and light that comes from the hypernova. The heat and pressure increase tremendously, and the star explodes, ejecting a remnant of matter known as a supernova.

6. Nuclear Supernova: This explosion comes from a small mass star and the explosion destroys the star without a trace. Nuclear supernova is a type of eruption caused by the fission of atoms in the core of a star. This eruption produces a blast of energy that comes from carbon and oxygen, and also very large particles.

Supernova eruptions occur when a star is at its peak as a supergiant star, and it is the catastrophe itself that breaks the star into its constituent parts. A supernova can emit light that looks much brighter than the rest of the galaxy in which it is located. The energy flying from the supernova could easily kill everything on nearby planets. Supernovas can also produce radioactive material that can spread through space and lubricate settlements of matter.

7. Core-collapse supernova: A core-collapse supernova explosion is a type of gigantic explosion that occurs when a thousand-year-old star reaches the peak of its lifetime. This explosion had many astronomical consequences, including the dispersion of matter through cosmic space, and the formation of rotational axes and across galaxies. This explosion was caused by a massive star.

The initial process of this explosion begins when the star has used all available fusion energy to maintain its gravity for centuries. When the star is no longer able to withstand the amount of gravity, its core will gather its elements to the center and will increase the temperature and pressure. If the pressure reaches the breaking point, the result is a very powerful explosion.

Some of the effects that occur due to a supernova explosion collapsing the core include:

• Dispersal of matter into cosmic space: during the explosion, the chemicals contained in the star will be scattered throughout space. This would allow materials to undergo natural chemical reactions that would form more complex or heavier elements.

• Formation of Rotational Axis and Intergalactic Axis: Supernova Explosion Core Collapse also forms structures in the center of galaxies, such as Axis Rotation and Intergalactic Axis. These structures form when asymmetry exists, usually due to differences in the composition and mass distribution of stars.

• Noise Pump: Supernova Explosion Collapses The core can also be an energy pump, which makes particles in space move, which can create vibrations and noise.


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[ “PROCESS HAPPENED πŸ•™” ]
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Supernovas are one of the most amazing natural phenomena. It is a major explosion that occurs when a large star's mass has reached the limit of its mass and releases an unexplained force. The process that occurs to get a supernova begins with the creation of a New Star. New stars are created from molecular clouds within galaxies. The particles of a molecular cloud coalesce and create a larger, denser cloud of gas. This gas will shift to the center and will soon expand radically due to condensation. As a result, the gas will form new stars.

Then the growth of a new star after a new star is formed, this star will begin to expand, taking mass from the surrounding material. This causes the star to get bigger and warmer. This process is known as deuterium burning or the proton-proton reaction.

Then, at the end of the star's life after the star has reached a large enough mass, it will become very hot and cause high temperatures and run out of hydrogen to carry out fusion reactions. This condition causes stars to be more at risk of exploding. Excess star mass will cause gravity so strong that it cannot survive.

After that, the supernova explosion when the star mass is excess, the kinetic energy emitted will cause the star to erupt. This radiation is emitted in a very fast way and comes from all directions. It's called a supernova.

And ending to the formation of a neutron star or black hole stage, the result of a supernova is a black hole or a neutron star. Black holes are very powerful astronomical objects created when stars explode. Neutron stars are very small, cold stars that form when stars explode.


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[ "IMPACT ⚠️" ]
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Supernova explosions are one of the most amazing natural phenomena. This explosion, through the dissipation of moist heat and radiation energy, has an impact as far away as the galaxy. It is a natural process that transforms all the chemical elements that feed the entire solar system and outer space. Some of the effects of supernova explosions that can be seen directly or indirectly are the formation of new stars
Supernova explosions produce material that can be used to form new stars in space. The resulting material can be subatomic particles or atoms that combine to form new stars.

Then, the expansion of the galaxy. Supernova explosions help in the expansion of galaxies. They release heat and light energy to pump matter and energy needed for the expansion of galaxies.

And also the spread of chemical elements. Supernova explosions play an important role in the dispersion of chemicals. This helps release all kinds of chemical elements, including heavy metals, into the outer space. These elements then fall on planets or celestial bodies and are used to form new solar systems.

Then, emission of radiation and energy. Supernova explosions release radiation and energy from storms. This storm has the potential to damage other nearby solar systems. It can also have devastating effects on wildlife, habitats and objects in space.

And lastly license change, Supernova explosion can also cause license change and stress. This explosion has the potential to create Earth's atmosphere over time. They can also change the temperature at the site of the explosion by sending matter, energy and radiation.


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[ “HISTORY πŸ“–” ]
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The history of discoveries and observations of supernova explosions has been going on for several centuries. A supernova explosion is a violent explosion of a very powerful star, in which the star erupts and releases tremendous energy. After this eruption occurs, the star will burn very quickly and produce ripples (commonly called radiation waves) that can be seen by astronomers on earth.

The supernova explosion was first discovered by astronomers in China in 185 AD. This supernova explosion is known as SN185, and people call it 'The Guest Star'. After that, a number of supernova explosions were found in different historical backgrounds. Some of these include SN1885A from the Andromeda galaxy, SN1006 from the Milky Way System galaxy, and SN1987A, which was designated as the newest supernova visible in telescopes.

Because a supernova explosion is so bright, it can be seen from a long distance. Most supernova explosions can be seen in the spectrum well beyond the visual range. This is very important, because these spectra can help astronomers analyze a star that was hit by an explosion, and determine what happened. The observed spectrum often contains important information about the animality and composition of the affected star.

Because supernova explosions can generate tremendous energies, Albert Einstein's theory of general relativity was originally used to explain this phenomenon. It is also the basis for understanding the supernova explosions associated with stellar evolution. Because supernova explosions can be observed far outside the solar system, they can provide valuable information about stars and galaxies outside the solar system.

Supernova explosions are still an important topic in modern astronomy. Recent research has revealed a lot about supernova explosions, from the process by which they erupt to how the energy of the explosion is transmitted into space. Overall, the discovery of supernova explosions has provided astronomers with a unique way to study the universe.


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[ “SUMMARY πŸ“‘” ]
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• Supernovas are violent explosions from dead stars.

• Supernovas have general types, namely Supernova Type Ia (a type that does not produce hydrogen in the spectral line) Supernova Type Ib/c (a type in which there is no hydrogen and helium elements in the spectral line), Supernova Type II (this type has hydrogen in the spectral line).

• Supernova explosions occur when the star has reached its age limit, when the star runs out of hydrogen to carry out the fusion reaction into helium.

• The impact of a supernova explosion can produce metals, and create life in the universe.

• Supernova explosions have been discovered by astronomers from China in 185 AD.


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