It is reported that since this year, NASA's "return to the moon" plan has failed one after another. Now, due to the new generation of lunar landing rockets, NASA has to significantly postpone its "return to the moon" plan. Some scholars said that it is still unknown whether NASA can test flights again this year.
After the news was uploaded on the Internet, many netizens at home and abroad said that NASA's strength is no longer as good as before. Some netizens also questioned: NASA in the United States could land on the moon 50 years ago. Why did the United States, which has more developed technology in 50 years? Can't land on the moon anymore?
Especially a few days ago, Chinese scientists analyzed the lunar soil samples brought back by " Chang'e 5 " and discovered a brand new mineral named " Chang'e stone ". This scientific achievement is After the international announcement, NASA once again lost all its face, and the United States' plan to "return to the moon" quickly became the focus of people's discussion, and netizens were questioning.
So, "Chang'e 5" has only brought back 1731 grams of lunar soil samples, and has achieved so many scientific research results, while NASA has brought back 380 kilograms of lunar soil samples. Why hasn't there been any major discoveries so far? Has NASA really been to the moon?
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Let’s first look at the first question, why did NASA bring back 380 kilograms of lunar soil, but no major discoveries?
In fact, there is not no gain in the lunar soil samples brought back by NASA, but it is just that there is little gain. Judging from the data, NASA has discovered at least four new mineral components, namely "Almako Lunar Stone", "Three-Spirited Iron Pyroxene", "Yoxi Yaoke Stone" and " Jinghai Stone ". It all proves that NASA did land on the moon 50 years ago, and it was not as speculated that everything was "posed" in Hollywood studios. However, if this is not convincing, let's look at two more convincing deeds.
So, what other evidence has the United States once landed on the moon by manned?
In 1972, Nixon visited my country and gave a gram of lunar soil sample to our country. At that time, Chinese scientist Ouyang Ziyuan led the scientific research team and published it with only 0.5 grams of lunar soil sample. Many scientific research papers have found many differences between the moon and the earth, which is also one of the evidence that Chinese scientists have proved that the United States has been to the moon.
In addition, researcher of the National Observatory of the Chinese Academy of Sciences Zheng Yongchun also said that the Apollo moon landing is definitely true, because after the United States manned landing on the moon, a large number of traces were left on the moon, and these traces can be photographed Those who arrived, such as my country's " Chang'e-2 ", India's "lunar ship 1", and the United States' own lunar probe , were all photographed on the moon by a manned moon landing 50 years ago. Traces, through these images, you can clearly see the traces of the wheels of the lunar rover , the objects left by the lunar rover, some experimental equipment, etc., and even the traces of the eruption after the lander lands can be clearly seen.
Not only that, our Chang'e series satellites and probes have also taken many photos of the moon. The United States' star-stripe banner and moon landing traces are still retained on the moon. Various evidences show that the United States did successfully land on the moon. Therefore, there is no doubt about the authenticity of NASA's manned moon landing 50 years ago.
But there is still a problem here. Both China and the United States have brought back lunar soil from the moon. Why are the lunar soil samples brought back by "Chang'e 5" constantly coming, but why are NASA's lunar soils looking for them? What about this kind of mineral?
In fact, this is mainly because NASA's lunar landing site that year was different from the landing sampling site of "Chang'e 5", which eventually led to a great difference in the composition of the lunar soil sample brought back.
To give a simple example, it is all sand. The sand retrieved from the seaside and the sand retrieved from Sahara Desert . If you compare and analyze the components of it, you will also find that the components are completely different. After all, the geographical location , climate and environment are different, so it is normal for differences to exist.
Such an interesting knowledge point is coming. Since NASA was able to land on the moon 50 years ago, why is it not possible now?
A very important reason is that NASA's manned moon landing technology 50 years ago is no longer practical. If NASA continues to use the technology 50 years ago, they may successfully land on the moon, but they cannot conduct scientific research on the moon. There is no way to build space station around the moon, and it is even more impossible to use lunar resources as a springboard to realize NASA's manned landing Mars plan. Therefore, from the overall perspective, the United States has to put its pride and develop it from the perspective of actual needs.
In addition, NASA's moon landing 50 years ago was very special. At that time, the United States and the former Soviet Union were in the Cold War period, and no one was willing to give up the disadvantage in the battle between the two. Therefore, in the early days of " Space Race ", the United States was defeated by the former Soviet Union by the former Soviet Union in the early days of " Space Race ". After leading the way, we mobilized the whole country to formulate the "Apollo Moon Landing Plan". You should know that at that time, the number of scientific researchers involved in this plan was as high as 300,000.
But NASA is no longer the same as before. NASA needs to reduce costs as much as possible in its limited funding so that it can carry out more space projects. Therefore, in the eyes of the United States, "returning to the moon" is just a matter of One of the space programs is not worthy of the whole country's efforts to study this project.
plus after restarting the moon landing, because the technology 50 years ago has become outdated, the launch system, lunar rocket, manned spacecraft, and even protective clothing worn by astronauts need to be redesigned and developed, and tested one by one, one by one Test, of course, for NASA, although it is called "return to the moon", in fact everything is equivalent to "starting from scratch". We can understand it by looking at the problems that NASA has encountered many times in launching rockets. , They are not "returning to the moon", but are trying to land on the moon in another way. Therefore, new technologies face new challenges. Today, the United States wants to land on the moon, but in fact, it is starting from scratch.
From this we can see that friends, 50 years ago, the United States did land on the moon, but the past has let it go. What we need to pay attention to now is what NASA's next plan to "return to the moon" is, and there is still attention. How is my country's manned moon landing plan progressing? After all, the space exploration career in the 21st century, anyone with a discerning eye knows that this is a space competition between my country and the United States. The future is an era of competition for cosmic resources. Friends, who do you think my country and the United States? Will it become the first country to land on the moon in a manned manner in the 21st century? Who do you think will become the "space overlord" in the future? Welcome to leave a message in the comment area to discuss
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