As we all know, there are eight planets in the solar system, and the earth is one of them, among these eight planets, four are terrestrial planets, and four are thunderwood planets, the representative of terrestrial planets is the earth, and the representative of thunderwood planets is Jupiter.
The solar system is our home and the starting point for our exploration of the mysteries of the universe, four planets orbit the sun, each with its own characteristics, of which Mercury is the smallest planet in the solar system, and it is also the closest planet to the sun.
The surface temperature of Mercury is very high, after all, it is the closest planet to the sun, and its temperature difference between day and night is very large, so it is difficult for human beings to survive on this planet, and there are two planets, that is, Venus and Mars, they are called the "sisters" of the earth, why do you say so? Because they look very similar to the Earth.
Human beings have been actively exploring Mars most of the time, and even regard it as a "second Earth", but compared to Mars, Venus is more similar to the Earth, but scientists have set Mars as the object of long-term attention, why are people reluctant to study Venus in depth, but have been exploring Mars?
In fact, when the aerospace industry was just starting, human beings had a lot of imagination about Venus, after all, the distance between Venus and the earth is not too far, many people think that since it looks so similar and so close, there will definitely be some life-like things in Venus.
In that era, the exploration of Venus can be said to have become one of the important goals of space powers, among which the most interested in Venus should be the United States and the Soviet Union.
At that time, the two superpowers, the United States and the Soviet Union, were bound to compete for victory and defeat in any field, and they both invested a lot of energy in exploring Venus, but in this contest, the Soviet Union was the victorious side.
Because the Soviet Union sent many probes to Venus, a lot of money and manpower were spent during this period, but all the beautiful reverie of human beings about Venus also ended when the Soviet Union launched a series of probes on Venus.
The Soviet Union first launched a probe to Venus in 1961, but the space race was at its peak, and Venera 1 was the first probe to land on another planet, but alas, it ended in failure.
It wasn't until 1967 that the Soviet Union's Venera 4 probe finally approached the atmosphere of Venus after a lot of hard work, but what they couldn't imagine was that it was a thick carbon dioxide, but the equipment made it impossible to know exactly how thick this layer of toxic gas was.
So there was not much effective information obtained, and the "Venera 5" and "Venera 6" sent by the Soviet Union later passed through the atmosphere but were damaged before they landed, and did not convey information about the surface of Venus.
Despite many failures, the Soviet Union was not discouraged, so the Soviet Union decided to strengthen the quality of the probe and created "Venera VII", which lived up to expectations and successfully landed on the surface of Venus.
But because it was damaged a little during the launch, it can only send some faint information, and from the exploration of "Venera VII", we know that the temperature of Venus is about 474 degrees Celsius, which is about to reach 500 degrees, which is simply more suitable for the name "Mars" than Mars.
Reference: The Paper, October 27, 2022 - "Why does space exploration rarely mention Venus now? 》
You must know that the surface temperature of Mars is minus 67 degrees Celsius, which shows that Venus is much more terrifying than Mars, and it rolled over and was damaged not long after the landing of "Venera VII", but this mission gave people a clearer understanding of the temperature of Venus.
Such a high temperature is not to mention that human beings are approaching, and even the exploration gold made of the most difficult materials cannot withstand the temperature of Venus, and it can be said that many probes launched by the United States and the Soviet Union were "roasted to death" by the high temperature.
Just two years later, the Soviet Union launched Venera 8 again, the first successful soft landing on another planet, and since then, all but one of the Soviet probes has been successful.
Venera 8 obtained the composition of Venus's atmosphere, and it was the results of this time that made humans fearful of Venus, which contains 96% carbon dioxide and 3% nitrogen, and even found a gas similar to sulfuric acid in clouds 30 kilometers.
In addition, there are frequent lightning flashes on Venus, the longest lightning really lasted 15 minutes, and even when the "Venera 12" landed, it experienced thousands of lightning bolts, this harsh environment is simply terrifying.
It can be seen that the conditions on the surface of Venus are very harsh, completely like a purgatory, and the results of this time and again make people disheartened, and the more they study Venus, the more they feel "hopeless", and in the face of this kind of environment where even probes cannot survive, it is even more difficult for human beings to survive.
For humans looking for extraterrestrial colonies, Venus is simply not suitable for human survival and habitation, so slowly human exploration of Venus is becoming less and less.
Although Venus has its own atmosphere, the main component of Venus's atmosphere is carbon dioxide, which is even very concentrated, and the surface pressure is more than 90 times that of the Earth.
Moreover, according to the results of human exploration of Venus, there has never been an ocean on Venus, which means that there is neither liquid water nor any life on the Beijing line, which shows that the appearance of Venus is diametrically opposed to what human beings think, which also makes human beings disappointed.
Reference: CCTV, October 17, 2021 - "Climate Models Show There Has Never Been an Ocean on Venus"
So since the Soviet Union launched a series of missions to Venus, more and more countries have lost interest in this planet, even if it is very close to our earth, but the situation inside is obviously bad, so almost no one is willing to spend time, energy, and money to continue to explore it.
The real situation of Venus is also worth thinking about, so far, there is no second planet that can give hope to mankind, and now a large amount of greenhouse gases emitted by human society have entered the atmosphere, which has intensified the greenhouse effect of the earth.
Are we really on the path of Venus? The emission of various nuclear wastes by human beings will also lead to the intensification of radiation, which will seriously damage the biodiversity and ecological balance of life.
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