Venus has eight unknown wonders. How much do you know? You’ll see

There are eight planets in the solar system, of which the earth is a living planet, and the earth has two neighbors, one is Venus, the other is Mars. Maybe many people know more about Mars, because in recent decades, humans have paid more attention to the exploration of firestars and sent the most probes to Mars, so they know more about it.

But for another neighbor of the earth, Venus, few people know and pay attention to it. In fact, Venus is the most mysterious planet in the solar system, which has more secrets than Mars. Since Venus has more secrets, why don’t scientists spend more energy exploring Venus? In fact, the main reason is related to the 10 unknown mysteries of Venus. Let’s learn about them.

Venus, like earth, is also a planet in the habitable zone. It is the second closest planet to the sun. Venus is the closest planet to the earth in the solar system. It has been discovered by astronomers more than 3000 years ago. In fact, it is not difficult to be discovered. Because it is close to the earth, it is also an extremely bright star in the night sky.

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The first strange thing about Venus is that it is the sister planet of the earth. Since it is called sister planet, it is natural that the two planets are very similar in many ways. The most important thing is the mass and radius of Venus and the earth For example, the radius of Venus is about 6073 km, which is only 300 km smaller than the radius of the earth. Its volume is 0.88 times that of the earth, and its mass is 4 / 5 of that of the earth. Its average density is slightly less than that of the earth.

There is only Venus in the solar system, which is so similar to the structure of the earth. Just as we walked out of the earth, scientists began to explore Venus, but later found that the difficulty of exploring Venus was far more difficult and complex than we thought. Therefore, in the end, scientists gave up the attention of Venus and focused on Mars, another planet.

The second peculiarity of Venus is its heat. Venus is in the same habitable zone as the earth. Although it is closer to the sun than the earth, it is not too close. Under normal circumstances, the surface temperature of Venus may be higher than the earth. This is the conclusion that scientists once observed Venus through astronomical telescopes.

But later, as scientists sent the probe to Venus and saw the real situation of Venus, they found that the original judgment was completely wrong. The temperature on the surface of Venus is so high that it’s not like a planet in the habitable zone at all. The surface temperature of Venus is 465 degrees centigrade, which is similar to that of mercury.

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Why does Venus have such a high surface temperature? Scientists have discovered that 95% of Venus’ atmosphere is carbon dioxide. It is precisely because the dense atmosphere is full of carbon dioxide that creates an extremely strong greenhouse effect. Through the greenhouse effect of Venus, scientists can see the future of the earth. If we can’t control the rising carbon dioxide in the atmosphere, the temperature of the earth’s surface may become the same as that of Venus one day.

The third special feature of Venus is its rotation speed. According to the concept of normal celestial body operation, the closer the planet is to the star, the slower its rotation speed will be due to the need to generate centripetal force to balance the star’s gravity. For example, the eight planets in the solar system, the closer to the sun, the slower their rotation speed. For example, the rotation speed of mercury is much slower than that of the earth.

But this normal law of celestial body movement failed in Venus. Through observation, scientists found that although Venus is closer to the sun, its rotation speed is surprisingly slow. Venus lasts more than a year in a day. This painfully slow rotation makes a day on Venus last 243 Earth days, and its revolution cycle has 225 Earth days. This kind of wonderful work is only observed on Venus at present. Scientists don’t know what’s going on.

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The fourth peculiarity of Venus is that it has a large number of volcanoes on its surface. It’s normal for rocky planets to have volcanoes. There are also many volcanoes on Mars. Naturally, there are also many volcanoes on earth. But the total number of volcanoes on Mars and earth is much less than that on Venus. At present, scientists have found no less than 1600 relatively large volcanoes on Venus.

These 1600 volcanoes are relatively large and can be observed by us. We have not observed those smaller volcanoes yet, but there are 1600 larger volcanoes, and there may be more small volcanoes. Venus is a world of volcanoes. It is still a mystery why there are so many volcanoes on Venus. Scientists speculate that the reason why Venus is like this may be related to the fact that it is full of volcanoes.

The fifth wonder of Venus is that its surface is quite flat. We have found many craters on the surface of Mars and mercury, which shows that they are often hit by stars. So Venus is no exception, but there are few craters on the surface of Venus. Why? Scientists believe that this may be related to the thick atmosphere of Venus.

The thick atmosphere can effectively block the impact of meteorites, and Venus is full of volcanoes. Frequent volcanic activities can constantly reshape the crust of Venus and fill the craters left by meteorite impact. Therefore, like the earth, there are few craters on its surface.

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The sixth strange thing about Venus is that it has a very high atmospheric pressure. Venus has a thick atmosphere, and its main component is carbon dioxide. It also has a layer of acid rain. In addition to other harsh environment, the average atmospheric pressure of Venus is 90 times that of the earth. If the atmosphere is high, if we walk on the surface of Venus, what will we feel? Maybe a lot of people will say it’s like a stone on your back.

Yes, the high atmosphere of Venus will make it difficult for us to move. It seems that there is a heavy weight under our feet. Even if other conditions can be improved, the light atmospheric pressure can not meet the needs of human survival.

The seventh peculiarity of Venus is that it has no magnetic field but a thick atmosphere, which also puzzles scientists. You should know that Venus is the sister planet of the earth, and its core is very similar to that of the earth. Such a similar core should produce a strong magnetic field similar to that of the earth, so as to protect the atmosphere.

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But Venus is a planet without a magnetic field. We all know that if a planet is not protected by a magnetic field, its atmosphere will be stripped off by the solar wind and become thinner and thinner. This can be seen from the atmosphere of Mars. Normally, Venus has no magnetic field, and its atmosphere may be very thin. But the truth is that its atmosphere is so thick that it’s hard for human probes to land. Why can Venus retain such a thick atmosphere without a magnetic field? It’s still a mystery.

The eighth peculiarity of Venus is its rotation direction. After a quarrel, some lovers sometimes say something like this: “if you want me to forgive you, unless the sun comes up from the west”, I believe everyone knows that the sun rises in the East and sets in the west every day, it is impossible to rise in the West. But this can happen on Venus.

The sun rises from the west, which is a very rare situation. Among the eight major planets in the solar system, only Venus and Uranus are in this situation. The reason is that their rotation direction is opposite to the direction it revolves around the sun. Other planets rotate in the direction of the sun, but why does Venus rotate in the opposite direction?

Now, we still don’t know exactly what caused this. Some theories suggest that Venus used to rotate normally, but then there might have been a huge impact, which reversed its axis of rotation, leading to a retrograde rotation. If so, what kind of celestial body would impact? Where is it now?

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It can be seen that the secrets of Venus are far greater than those of Mars, but human science and technology can not safely land on Mars for long-term exploration. Only when the future science and technology goes further, with stronger probes, we can land on the surface of Venus and walk for long-term exploration like a Mars rover. At that time, we will step by step uncover the divine veil. It’s possible that Venus is more mysterious and complex than we think.

Guys, what do you think of this? Welcome to leave a message below to discuss and express your opinions.

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