There are many planets in the universe, why are there so few planets close to the sun?

In the solar system, this is indeed the case, Mercury and Venus are closest to the Sun, and neither planet has moons,Mercury is 57.9 million kilometers (AU) and Venus is 100 million km (AU) from the Sun. The Earth has one moon, the Earth is 100 million kilometers from the Sun (1 astronomical unit), Mars has two, 100 million kilometers (astronomical units) from the Sun, and the other planets have more moons than one.

Some people say that this is just a coincidence in the solar system, and I think this answer is very unreliable, and I think that this situation is simply because of the gravitational pull of the sun. Hydromesis and Jinwei have been envisioned, and the existence of satellites in the orbits of Mercury and Venus has been explored. <>

And now we all know that Mercury and Venus do not have moons, astronomers speculate that this is because even if the satellites are pulled into the orbit of Mercury by the power of the planets, they will be captured and torn by the super gravitational pull of the sun, and thus die; There is also the rock particles at the time of the formation of the sun, which may have attracted each other to become new moons, but the light pressure and solar wind blew away these materials, making it difficult for small dots of celestial bodies to form.

In addition to considering the sun, the key planets Mercury and Venus are both solid planets, solid planets are characterized by small mass, and the ability to attract and retain satellites is insufficient, while Mercury and Venus are too close to the sun, and the small satellites are basically sucked up and swallowed by the sun.

Planets that are too close to the Sun will not be able to stand the Sun's gravitational pull and be sucked in.

Recently, the planets Mercury and Venus are both solid planets, solid planets are characterized by small mass, and the ability to attract and retain satellites is insufficient, while Mercury and Venus are too close to the sun, and the small satellites are basically sucked away and swallowed by the sun.

Because the heat of the sun is very high, if you get too close, the heat emitted by the sun will melt away.

Because the sun is too hot, and any planet near it will be swallowed up by it.

Many of the planets that are close to the Sun have been melted by the Sun, which crashes directly into the Sun.

Because the sun's nuclear radiation and heat are so high, there are very few planets around it.

Mercury and Venus, which are close to the Sun, have no moons, one moon here on Earth, two moons on Mars, 79 moons on Jupiter, more than 60 moons on Saturn, more than 30 moons on Uranus, more than a dozen moons on Neptune, and even Pluto, a dwarf planet smaller than the Moon, has five moons.

Because the environment near the sun may be very harsh, the temperature can be very high.

Because the temperature near the sun is too high, and the sun is expanding all the time.

We all know that there is a difference between stars and planets in the universe, and we all know that stars are much larger in mass and volume than planets. For example, the sun and the earth we are familiar with, the sun is a star, and the earth we are in is a planet. But someone just raised a question:

The universe is so big, can there be planets larger than the sun? Before we ask this question, we first need to know what a star is? What is a planet again?

When it comes to stars, we have to mention the sun that we are all familiar with, the sun in our perception is a huge mass fireball, it is emitting powerful energy all the time, and even the energy intensity emitted by the sun warms the earth, we can't even look directly at the sun. Stars are theoretically spherical light-emitting plasma held together by gravity, and their light can be transmitted far, far away. When we look up at the starry sky, we see a star, and every star in it is a star.

Stars are also gaseous planets, and we can find similarities in the sun. Solid planets (such as the Earth) have a solid surface, while the Sun and other stars do not.

When it comes to planets, the Earth is a planet, and most of us think of it as something like this: the Earth revolves around the Sun, and the Earth itself doesn't emit light. In fact, these impressions include scientists' definition of planets, which usually refer to spherical objects that do not emit light and orbit stars.

The Moon we see is not a planet, the Moon is just a satellite of the Earth, and the light it emits is also the light that reflects the Earth and the Sun.

Planets include gaseous planets and solid planets, and gas planets are generally much larger than solid planets, such as taking the eight planets of the solar system as an example: Earth and Mars are solid planets, while Jupiter and Neptune are gas planets. Although there is a slight difference between the planets, as long as they revolve around a star, they are all called planets.

After knowing what stars and planets are, we can summarize what are the differences between stars and planets:

To sum up, we can now ask the original question: Are there any planets in the universe that are larger than the sun? The answer is no, and there is an incomparable gulf between stars and planets in terms of mass alone.

Scientists have discovered a "super-Earth" 6 light-years from Earth, which is three times more massive than Earth, but this is simply not comparable to a star like the Sun. And what if it's a gas planet? Gas planets are generally more massive than solid planets, for example, the gas planet Jupiter in the solar system is 318 times the mass of Earth, but it is only one thousandth of the mass of the Sun.

So what if there really was a planet with a mass of the Sun's magnitude? Assuming that this happens, then the state of this planet must be very different from that of a normal planet, and we would like to congratulate it on its upgrade to a "star". Although this is hypothetical, it is important to tell you that the mass of a planet is greater than that of a star will not and cannot happen.

There are an extremely large number of stars in the universe (at least 700 trillion trillions), and our ordinary star, the Sun, has eight planets orbiting around it. Based on this phenomenon, we can fully infer that the number of planets in the universe is most likely no less than the number of stars, and in fact our astroscientists have indeed discovered many planets outside the solar system.

As the saying goes, "the forest is big, and any bird can travel or have it", so many planets will definitely be strange, such as ** planets, diamond planets, and so on. These planets will also vary in size, so how big would be the largest planet in the universe? Could there be a planet bigger than the Sun?

Modern science tells us that there is a limit to the size of the planets, and according to the latest research, the mass limit of all planets is 10 times the mass of Jupiter. You may wonder why scientists can come to such a conclusion, after all, we basically can't see the planets in the universe?

Generally speaking, the difference between a planet and a star is whether or not it ignites nuclear fusion inside. And if a planet is more than 10 times more massive than Jupiter, then nuclear fusion that reinforces deuterium will be initiated in its interior, and it should not be called a planet, but a brown dwarf (quasi-star).

There are certainly a lot of planets bigger than the Sun, but they definitely won't be planets. Although the planet can reach up to 10 times the size of Jupiter, in actual observations, the largest planet we have found is only about twice the diameter of Jupiter, it is the "tres-4" of the constellation Hercules, which is 1435 light-years away, and its mass is only 84% of that of Jupiter.

The closest of the eight planets to the Sun is Mercury. The eight planets are the eight large planets of the solar system, according to the distance from the sun from near to far, they are Mercury ( ) Venus ( ) Earth ( ) Mars ( ) Jupiter ( ) Saturn ( ) Uranus ( ) Neptune ( ) Most of the eight planets also have the same rotation direction as the rotation square. There are only two exceptions: Venus and Uranus.

Venus rotates in the opposite direction to its revolution.