The model of the solar system was still not correct, but it would still allow us to correctly calculate the orbits of planets today. And this was so long ago that due to the annual (although small) decrease in solar mass, the orbits of the planets, especially remote ones, would change in a couple of thousand years. They would become large ellipses. This change could prove that the main energy released by the Sun is thermonuclear reactions. But I haven't seen any such articles.

The main source of the released energy, in my opinion, is completely different, and I would even say virtual.

But first, let's turn to a well-known fact.

Electrically charged objects moving relative to us with acceleration emit electromagnetic waves (light – energy).

The sun is electrically charged, and the Earth and everything else, including the entire Universe, revolves around the Sun, if we take the sun as the center of the reference system. And rotation is a movement with acceleration. Speaking in the old-fashioned way – the Earth always "falls" on the Sun and misses.

Rectilinear uniform motion and a state of rest are one thing, and any other motion is a motion with acceleration.

Remember, what does an electric charge moving past you with acceleration do? It radiates.

This radiation is the main source of energy for stars.

Digression: One of the readers of the first edition of this article asked a question.

– And why does no one deal with the energy released by the Sun, as an electrically charged body?

But really, the fact that an electrically charged body moving with acceleration radiates is not a secret. The fact that the Sun is electrically charged is also no secret. The fact that the Earth is moving relative to the Sun with acceleration or the Sun is moving with acceleration relative to the Earth is not a secret at all.

So what's the big deal? Why aren't these calculations available, at least in the public domain?

I assume that the reason is in the "Big Bang theory". If you calculate this energy, it may turn out that the age of the Sun exceeds the age of the Universe, according to the "Big Bang theory". And then what will the "scientists" who have received huge amounts of money for research in the framework of this theory do?

Although there is another source of Solar energy, in addition to possible thermal nuclear reactions and radiation of a charge moving with acceleration.

The sun is big. And it doesn't matter which model we choose, the gravity model or the swell model (discussed below), polytropic process takes place on it. For the sake of familiarity, let's take the model of gravity. Under the influence of gravity, the gas compresses and releases temperature from the outside (isothermal process) and stores it from the inside (a static process).

How much heat is released by the isothermal process in the Sun, it seems, is also not yet calculated.

And what happens to a gas when it gives up its energy when compressed?

It cools down.

On Earth, it is difficult to create models of what is happening in the Sun. On earth, when hydrogen is liquefied, it is molecular, not atomic, hydrogen that is liquefied. This is where the spin isomers of hydrogen work. The question is whether the spins of the hydrogen atoms in the molecule are arranged in one direction or in opposite directions. How hydrogen will behave at those pressures, when it becomes atomic and will be liquefied under a pressure that cannot be reproduced on Earth, we can only build models. The models can be different. It is necessary to calculate, and depending on the numbers that can be obtained by performing these calculations, it will be possible to assume that thermonuclear reactions in the Sun do not occur at all, and inside the sun consists of liquid gases at a temperature close to absolute zero.

I'm not saying that. This should be considered. But the possibility of such a hypothesis is obvious.

And what is temperature in General? Why do bodies heat up or cool down?

Temperature – a value that intuitively quantifies the different heat of an object.

Living beings are able to perceive the sensations of heat and cold directly with the help of their senses. However, science requires that temperature be measured objectively.

The funny thing is that when scientists try to explain to you where the temperature comes from, they will start telling you about the degree of ionization of matter, more or less collisions of molecules, and other nonsense. The gibberish is very clever and correct, but it doesn't just tell you why and where the thermal (still – electromagnetic) radiation from this ionization and the number of collisions comes from.

And here everything is very simple. When there is a lot of ionization and the molecules relative to you change the direction of their movement, the same effect occurs as with solar radiation. Charged objects (and molecules are also objects), moving relative to you with acceleration (and when the direction of movement changes as a result of collisions, the acceleration increases), begin to radiate. Well, I assume so.