What color is the sun and why does it shine.

All matter radiates electromagnetic waves. This is the way matter exists. Visible light is only a small part of the spectrum of electromagnetic waves.

The main reason why the sun emits visible light is that some of the energy is emitted in the form of light or other particles when the energy level of the atom transitions. Of course, this part of the energy represents the corresponding mass. In fact, the color of the sun is between red and yellow.

It is not the color temperature of 6000 K as claimed by some scientific papers, because the blue and purple light in the atmosphere is again mixed with the color light in the front of the chromatogram. Therefore, the color of the sun is between red and yellow, and other colors such as blue-violet light account for only a small part due to the high energy.

This is because thermonuclear fusion is taking place inside the sun, producing heat and brightness. The light we see is an auxiliary shot of heat.

The sun is burning all the time, and the light emitted is colorful.

The sun shines because the sun heats up and nuclear fusion produces high temperatures and pressures. So glow. Solar energy is equivalent to a hydrogen bomb every moment**.

The moon and the earth are hard spheres, but the sun is a large fireball of hot gas, with a temperature of 6 million degrees Celsius on its surface and 15 million degrees Celsius in its center, and anything on the sun will turn into gas. So where does the sun's light and heat come from?

There are many hydrogen nuclei in the sun, which interact with each other and combine to form helium nuclei, which emits light and heat at the same time, which is called thermonuclear reaction, and the sun is a furnace that uses atoms as fuel. One kilogram of atomic fuel is worth 3 billion kilograms of coal. The sun's atomic fuel, which will never burn for thousands of years, will provide us with light and heat forever.

Why does the sun shine and heat? What is its energy source?

Astronomers have envisioned all sorts of possibilities. A simple idea is that the sun is a big briquette that is burning. But if you calculate carefully, a briquette the size of the sun (1.3 million times larger than the earth) will only burn for more than 3,000 years if it burns forever.

Because the history of human beings is hundreds of thousands of years, and the history of civilization recorded in writing is more than 5,000 years. The "age" of the sun cannot be shorter than human history. What's more, if the briquettes burn smaller and smaller, the sunlight will quickly become fainter and weaker.

But in fact, after nearly 100 years of measurements, the solar luminosity has not changed. Therefore, the idea of briquettes burning is definitely not right.

Another idea is that the ancient sun was large and shone due to contraction, but after calculations, it was thought that this idea could not be held either.

In the 20th century, with the development of atomic physics, people solved the problem of solar energy. The famous scientist Albert Einstein (1879-1955) discovered the relationship between the mass of an object and its energy. As long as a little bit of mass is converted into energy, the value is huge.

For example, the energy corresponding to 1 gram of matter is equivalent to the heat released by the combustion of 10,000 tons of coal.

The study of atomic energy has led to the idea that the energy source of the sun may be atomic energy. Observations and experiments have confirmed this idea.

It turns out that the sun is mainly composed of hydrogen, which accounts for more than 70% of the mass. Under the conditions of high temperature (above 10 million K) and high pressure (about 250 billion atmospheres) in the interior of the sun, hydrogen atoms undergo a "thermonuclear reaction", which combines four hydrogen nuclei into one helium nucleus. In this reaction, a portion of the mass is converted into energy, releasing a large amount of heat.

Thermonuclear reactions inside the sun, similar to a hydrogen bomb on the ground**. It is precisely because of the countless "hydrogen bomb" processes that continue to occur in the core area of the sun, so the light and heat radiated by the sun are continuously eliminated. Atomic energy is the energy of the sun.

The statement that the sun rises in the east is not true. Since the earth revolves around the sun, the earth is actually turning eastward, facing the sun.

The space of the sun's magnetic field, with a sphere of influence of up to one light-year diameter, will produce magnetic field particles with a radius of 5 trillion kilometers. Although the magnetic field particles at an altitude of 5 trillion kilometers cannot press the sun into a neutron star, the heat emitted by compression is also higher than the ignition point of chemical elements, causing matter to return to the starting point of the simplest hydrogen. Due to the ignition point generated by the pressure of magnetic field particles at an altitude of 5 trillion kilometers, only the combustion and reduction are maintained at the level of sunlight that produces white light.

So the sun shines.

Hello, I'm honored to answer for you. The sun shines and heats up because nuclear fusion is going on inside the sun all the time, and countless "hydrogen bombs" are constantly occurring, and a large amount of heat and light generated by this activity is constantly emitted to the surroundings. The sunlight we see every day is from the sun, after a long flight, and finally reaches the earth, and the light on the moon is reflected by the sun's light to reach our eyes.

If you are satisfied with my answer, I hope you can give a like, and if you have other questions in the future, you can also follow me so that you can continue to consult in the future. I also wish you a happy life and all the best [Oye] [Oye].

The sun shines because it produces excess energy during the fusion of hydrogen into helium, which is eventually released in the form of light and heat, which is the real reason why the sun shines.

The Sun is a giant nuclear fusion reactor (nuclear fusion is the nuclear reaction of two lighter nuclei to form a heavier nucleus and a very light nucleus or particle. In this process, the nuclear fusion reaction converts the mass of some of the reactants into energy), and the artificial sun mimics the sun's nuclear fusion principle to provide humans with an inexhaustible source of energy.

In terms of technical classification, artificial suns belong to controlled nuclear fusion, and the energy output process of nuclear fusion is artificially controlled to ensure that the early start energy output meets the dynamic demand of human energy.

The quantum effect helps Taishou to open his eyes and search for the sun to burn slowly, which is the secret of the sun's longevity.

The Sun is large, not only in size, but also accounts for 99% of the total mass of the solar system. However, the solar energy burns for so long, not because it ***. Conversely, the greater the mass, the greater the stellar gravitational pull, the more intense the star burns, and the faster the hydrogen depletion inside the star.

As a result, massive stars have very short lifespans, and some of these short-lived stars have a lifespan of less than a million years. However, the mass of the sun is not great in the universe. Scientists estimate that the sun will live for about 10 billion years.

It is estimated that some stars with very small masses can live up to 1 trillion years.

Introduction: The sun will emit light, mainly because the main component of the sun is hydrogen, in which hydrogen nuclei will interact, combine into helium nuclei and release light and heat at the same time, which is also called thermal energy reaction. In this reaction, a part of the mass will be converted into energy to release a large amount of heat, and any reaction inside the sun is similar to an atomic bomb on the ground**, when the process of continuous occurrence in the core of the sun**, it will provide radiation to the sun, allowing the sun to emit light and heat.

The atomic fuel in the sun is extremely abundant, everything on the sun will turn into gas, although the moon also has light, but the moon does not shine, the moon only reflects the sun's light.

When you see the sun, you will feel very warm, because the sun is a star, and there is a violent nuclear fusion inside the sun to glow, but the sun itself has no temperature, and the main reason why the sun is warm is because the sun shines on the object to produce heat, so that humans feel warm. When the light is absorbed by the atoms, the atoms can vibrate more violently, under normal circumstances, the photons and the atoms will not intersect, there will be no heated matter, only when the photons are reflected by the matter, people will feel this, it mainly depends on the frequency of the light and the nature of the atoms.

The sun has a lot of influence on the earth, there are pros and cons, the sun provides the most important power for the earth's water, atmospheric movement and biological activities, and it is also the most important energy on the earth**, the sun will also form an ozone layer on the earth's surface to protect the safety of living things, for human society, the sun will form an ionosphere in the atmosphere, making modern communication possible, and to allow the formation of energy sources such as wind, coal, oil, etc., but too much ultraviolet light will also bring some impact to the earth.

Finally, the light and heat of the sun irradiating the earth have created many conditions for the birth of life on the earth, and it is also a completely pollution-free natural person.

Because the sun is a plasma and also a photonic body. Light is a radioactive function of nature. It is also the only function of propagating matter, it can pass through the vacuum, encounter an object, it will be absorbed by the object, accumulate into temperature, the object reaches a certain high temperature, it will also liquefy, the object is also the evolution of photons, the light metamorphosis into the emptiness of positron and negative electrons, loses the radiation function, is absorbed by the atom, and then converted into the atom, this is the nature of light.

The main reason is that the sun burns all the time, and there is also nuclear fusion, so this happens.

It's because the surface of the sun burns all the time, and it emits light during the burning process.

Solar flares are intensely active and produce light. It is generally believed to occur in the chromosphere, so it is also called "chromosphere explosion".

Its main observation feature is that the rapidly developing bright spots suddenly appear on the surface of the sun (often over the sunspot group), and its lifetime is only between a few minutes and tens of minutes, and the brightness rises rapidly and decreases slowly. Especially in peak solar years, flares occur frequently and the intensity of rolling perturbation becomes stronger.

Once it appeared, it was simply an earth-shattering explosion. The energy released by this brightening is equivalent to the total energy of 100,000 to 1 million strong volcanic eruptions, or equivalent to tens of billions of 100-ton hydrogen bombs**; And a large flare eruption can release 10 of the 25th power joules of energy in one or two minutes.

Even at this stage when the Sun is still in the main sequence zone, the luminosity of the Sun is still slowly increasing (about 10% per billion years), and the surface temperature is slowly rising. The light of the sun used to be dim, which may be the reason why life only appeared on land 1 billion years ago.

If the temperature of the Sun increases at this rate, the Earth may become too hot in the next 1 billion years for water to exist on the surface of the Earth in a liquid state, and all life on Earth will become extinct. Dazhongdan.

Following the red giant phase, intense thermal pulsations will cause gas from the Sun's outer layers to escape, forming planetary nebulae. After the outer layers were stripped away, the only thing that remained was the scorching core of the star, the white dwarf, which gradually cooled and dimmed over billions of years. This is typical of low-mass vs. intermediate-mass star evolution.

Hydrogen is the most material in the universe is that a large amount of hydrogen accumulates together to form the sun, and then under tremendous pressure and temperature, hydrogen fusion becomes helium (the sun does not need to use tritium and deuterium, which are easier to fuse, like our nuclear fusion, and can be fused using deuterium (that is, ordinary hydrogen, without neutrons), because he has enough temperature and pressure) nuclear fusion is what we currently know, and the energy that releases the most energy is consumed by him, although it is only a small proportion, But there is a lot of energy released (chemical reflection does not consume matter, so the mass is balanced, but the change of nuclear energy, the mass is not balanced).

In this way, he releases a lot of heat, and at the same time generates electromagnetic waves, which are a type of electromagnetic wave.

The reason why the sun shines is that it is also a source of energy, a powerful source of energy. Non-stop nuclear transformation. Energy is emitted at different frequencies.

We humans can see the sun because our eyes can react conditioned to one of the various frequencies of electromagnetic waves emitted by the sun.

Yang is a star, and it is because when it is a nebula, the pressure in the center is too high, which causes nuclear fusion to occur. The occurrence of nuclear fusion leads to a constant increase in temperature. In addition, when nuclear fusion occurs, infrared light and light are also emitted to the outside world.

There are many convertible hydrogen atoms inside the sun, which fuse into helium atoms, and during the fusion process, a lot of energy is released and volatilized through various activities of the sun. (In simple terms, nuclear fusion changes).

I've also seen it because the particles in the sun are very fast.

In the interior of the sun, four hydrogen atoms fuse and shrink into a helium atom, releasing a huge amount of energy, which is light and heat.

The sun uses nuclear fusion to generate light, and when two very light nuclei meet at high temperatures (such as helium and hydrogen), they synthesize new nuclei and release enormous amounts of energy.

Because it's going on nuclear fusion all the time.

This is an important question that people have been exploring. However, due to the limitations of scientific and technological research methods, although various speculations about solar energy have been put forward one after another, there is always no sufficient scientific basis. About a hundred years ago, scientists in Germany and England proposed that molecules in the sun would collapse toward the center under the influence of gravity, based on the laws of conservation of energy and transformation.

During the collapse process, the kinetic energy of the molecule becomes heat. So the sun maintains its extremely high temperature, radiating light and heat.

Since the thirties of this century, with the deepening of the study of the structure of atomic nuclei, people have gradually realized that when very light nuclei are very close together at extremely high temperatures, they will fuse, form new nuclei, and release huge energy. This provides a new theory for explaining the enormous energy of the sun.

American physicist Bate extended the theory of fusion to the sun. He believes that at temperatures of up to 20 million degrees inside the sun, hydrogen atoms fuse into helium atoms, and at the same time release enormous amounts of energy. The solar energy release calculated from these fusions is in good agreement with the observed values.