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There is only one star in the universe called sunlight, which lights up the earth's daylight and gives warmth to the earth. But I guess what you're asking here is how many stars there are in the universe, right? Before that, let's take a look at the definition and briefly understand the composition of the universe.
First of all, the earth is a big planet that orbits the sun. In addition, there is also a star that revolves around the earth, which is the moon, which is also the earth's natural communication satellite. Sunlight is very different from the Earth and the Moon, it can shine and shine.
The key to sunlight is made up of hydrogen and helium, and the key to sunlight continues to carry out hydrogen nuclear reactions, which then release a lot of light and heat. The sun is the core star of the planets in the solar system, and its quality is the total mass of all the planets in the solar system, and other small and medium-sized stars revolve around it. In the universe, sunlight is not the only star that shines and heats, there are many stars like sunlight.
These objects are collectively called stars, and the name of everyone's core star is called sunlight.
The sunlight here does not refer to the sunlight of the planets of the solar system, but to the stars, that is, the stars that themselves shine. Sunlight tends to shine because the mass of the sun is sufficient, and the corresponding attraction will be particularly large, in this case, the temperature of the internal structure of the star will also increase, resulting in the particles of the internal structure of the star can not exist in the solid, liquid, vapor state that we often encounter, but in the plasma state. In the plasma state, the electronic device gets enough kinetic energy to get rid of the constraints of the atoms and become free charges.
We know that atoms are made up of protons and neutrons, in which antiprotons contain a positive charge and the neutrons are not electrified.
Therefore, atoms contain positive charges, and normally, the same positive charges contradict each other, and in order to make two atoms produce a nuclear fusion reaction, a very high kinetic energy is required, at least 100 million high ambient temperatures. However, in multidimensional space, it is unlikely that a pair of particles will take at least 100 million light-years to produce a pair of particles once in a very high efficiency energy cycle. There is no doubt that there are more than 100 trillion trillion stars in the universe that biologists can monitor at this stage.
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I think there are countless suns in the vastness of the universe; I think it was the time of the Cosmic Wars, when the economy condensed to form huge clouds, and some of them were released by the economy and floated around the galaxy, concentrating on the sun over time.
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The sun is actually a proper noun, and the sun is also a star, and a famous astronomer guesses that there are 100 billion galaxies in the universe, and there are 10 billion stars in it every week; The formation of the sun is due to the production of **, the atoms have nuclear fusion inside, so the sun is formed.
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Personally, I think there is only one sun in the universe, and the sun was formed about 100 million years ago to make the primordial stars**.
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In the vast depths of the universe, in addition to the well-known eight-day asteroids, there are also moons and stars. And these shining stars are actually very large, they shine on their own, and they are stars like the sun. In this regard, many people will have doubts:
How many suns are there in the universe? Follow me to explore this.
1. The Sun is the main star sequence.
In main-sequence stars, we introduce that the main evolutionary stages of stars are gas clouds, protostars, main-sequence stars (e.g., the Sun), red giants, white dwarfs, and black dwarfs. In this way, the Sun is a type of star and is in the main sequence phase. So how many suns are there in the universe?
Basically unlimited.
2. There are 2,000 trillion suns in the universe.
Milky Way: Each star in the sky is a sun, and our galaxy has as many as 100 billion to 400 billion stars, and the sun is more than 90% of them, so there are hundreds of billions of suns in the galaxy alone.
Triangulum Galaxy: The Triangulum Galaxy has a total of about 40 billion stars so far.
Andromeda Galaxy: The Andromeda Galaxy is adjacent to the Milky Way and is home to about 390 billion stars.
To sum up, there are about 2 trillion galaxies in our universe at present, and each galaxy is counted as 100 billion suns according to the lower limit of the Milky Way. 2 trillion times 100 billion, which means that the universe has about 2000 trillion suns.
3. There are more suns than expected.
Theoretically, there are about 2000 trillion suns in the universe, but there is a fact that needs to be explained: the stars observed by human beings, the light it emits is generally emitted tens of billions of years ago, and now they have long since died, and these stellar supernovae can theoretically form one or more stars after the explosion, so theoretically the number of suns in the universe is much more than now!
There is a saying in ancient China that sounds very domineering, called "There are no two days in the sky, and there are no two kings in the people". The sun is the sun that hangs high in our sky. In ancient times, people had the impression that there was only one sun in the sky. >>>More
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There are 3 in an hour. There are 72 in one day. There are 26,280 a year. The average age is 75. There are 2,071,000 in 20 minutes. Hehe.