If human beings disappear, hundreds of millions of years later, will the new civilization be able to find traces of human beings?

The earth has a long life history of 3.8 billion years. In such a long time, life has evolved step by step from the most primitive simple life to complex life and advanced life. The most important goal of life evolution is to grow into intelligent life. Life on earth completed this important mission millions of years ago.

Human beings were born millions of years ago, and human civilization was formed 10000 years ago. Although the existence of human civilization is not long, but after rapid development, finally entered the era of science and technology hundreds of years ago. The advent of the era of science and technology has also brought human civilization into a new era. The power of science and technology is infinite. It can help us to explore the truth of the world and the history of the earth.

We all know that time can’t go back. What happened to the earth in its long life? How did life evolve? How did our ancestors come into being and evolve? It’s impossible for us to go back to the past and explore the truth.

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If it is before human beings enter the era of science and technology, we can not solve all these mysteries, but with the help of science and technology, we may continue to uncover the history of the earth. Of course, science and technology are not omnipotent. One of the important reasons why we can explore the history of the earth through the power of science and technology is that the history of the earth can not completely disappear, it will leave some traces in many places.

Through these traces, we will know what happened to the earth and what happened to life? For example, five mass extinctions occurred on the earth. We came to the conclusion through geological exploration and fossil exploration. The reason why we know that there was a glorious age of dinosaurs 65 million years ago is that we have found a large number of dinosaur fossils all over the world. Through these fossils, we know that there was a dinosaur age on the earth before the birth of human beings.

So someone raised such a question: if human beings disappear, hundreds of millions of years later, can the new civilization find traces of human existence? Different people may have different views on this issue. Some people think that hundreds of millions of years can erase all traces of human existence.

Some people think that mankind is a civilization of science and technology, some species of science and technology can not be erased by time, and the new civilization can discover the prehistoric civilization of mankind. So what’s the truth? Today, let’s discuss it together. We need not doubt the power of time. In the earth’s long history of 4.6 billion years, there have been different times, but the traces of these times have been basically erased by time.

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Time is the best way to eliminate traces. As long as time is long enough, no traces of civilization will be left. I believe many friends know that the life history of the earth explored by scientists is basically within 300 million years. But we all know that the life history of the earth is billions of years. Why can’t we explore the life history 300 million years ago? The reason is that the fossil traces of their existence have been erased by time.

Of course, human beings are now a powerful scientific and technological civilization, and the power of science and technology is beyond our imagination. If we use the current scientific and technological strength of human beings, even if human beings disappear, there will still be three things left after hundreds of millions of years, so that the newly born civilization can be discovered. So what are these three things?

First: human fossils, which can be said to be the best storage of life. As long as all kinds of life appeared in the history of the earth, even if they disappeared due to environmental changes, some fossils will probably survive. And scientists study and explore the history of life, basically through the discovery of a variety of biological fossils.

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Of course, biological fossils can’t be preserved indefinitely. They only exist for hundreds of millions of years. If they exceed this time, they will be basically erased by time. The main reason why we can find a large number of dinosaur fossils is that its extinction time is not very far away from us. In a few hundred million years, dinosaur fossils will probably disappear.

Through the discovery of a large number of dinosaur fossils, we can imagine how brilliant the age of dinosaurs was 65 million years ago. Dinosaurs in the global distribution of how large, through the age of dinosaurs, we also understand that the birth of human is really very lucky. If it wasn’t for the asteroid impact that led to the extinction of dinosaurs, then mammals would not rise. Without the rise of mammals, humans would not have been born.

Scientists have also found various giant insect fossils on the earth. Through them, we know that the earth was dominated by insects 234 million years ago, before dinosaurs dominated the earth. If it were not for the discovery of these giant insect fossils, I believe no one would have thought that the very small insects in the eyes of modern people were the overlord of the earth 2.34 years ago.

Thus, fossils can tell us a lot. Human beings are now the overlord of the earth, with a number of 7 billion, and spread all over the world. Even if we disappear in the future, human fossils can still be preserved. Hundreds of millions of years later, new civilizations discovered, so that we know that before they were born, there was a powerful scientific and technological civilization of human beings on the earth.

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The second kind: man-made things under the earth. Human beings are in the age of science and technology. There is a big difference between science and technology and nature. Most of the natural creations are difficult to resist the erasure of time, but the technological creations are different, they can resist the very long time.

Of course, after the disappearance of human beings, the scientific and technological objects left on the earth’s surface can exist for a long time, but with the erosion of time, they will disappear completely after hundreds of millions of years without any trace left. What we want to talk about is not the scientific and technological objects on the surface, but the scientific and technological objects that sink deep into the earth with geological activities.

Besides fossils, another way to preserve the traces of historical civilization is powerful geology. As long as the artifact sinks deep into the earth and is isolated from the air and sunlight, it can be preserved for a very long time. And some special geological structures can make the preservation time of man-made objects reach hundreds of millions of years.

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In order to understand the history of the earth, apart from fossils, it is more important for scientists to study and explore the geological structure. Many of the geological structures under the earth were formed hundreds of millions of years ago. They show us some major events that happened on the earth. For example, hundreds of millions of years ago, the earth did not have six plates, but only one continent.

Then the supercontinent broke up, volcanoes erupted, and a million year long rainfall wiped out more than 80% of life. This huge geological change can not be preserved on the surface, but through the geological structure under the ground, it clearly tells us that this great plate change happened hundreds of millions of years ago.

If human beings disappear, then some artifacts of human civilization and scientific and technological artifacts will sink to the bottom of the earth with geological activities and survive, waiting for the exploration and discovery of new civilizations in the future. When the new civilization enters the era of science and technology, it will be able to discover some scientific and technological artifacts left by human beings.

The third element: uranium. I believe many friends know that uranium is an important raw material for nuclear energy. What’s special about uranium is that it has a very long half-life, which can be as long as billions of years. If the new intelligent life is not born until billions of years after the disappearance of human beings, then the human fossils in front and the rate of man-made objects in the depths of the earth will be completely erased by the time. It is basically impossible for the new civilization to know the existence of human beings through the above two methods.

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But uranium is different, its half-life is too long, and after mankind entered the era of science and technology, the development and utilization of uranium is more and more. Even after the disappearance of human beings, all kinds of uranium mines will still exist. As long as the time for new civilization to enter the era of science and technology does not exceed the half-life of uranium, it is not difficult to find traces of human exploitation and utilization of uranium.

Scientists once found a spent nuclear reactor in Africa that existed for as long as 2 billion years. This nuclear reactor existed 2 billion years ago. Because of its half-life of billions of years, it still exists now. However, the scientific community has no unified answer as to whether the ancient nuclear reactor is man-made or natural.

Because theoretically, there is a certain probability that uranium rich mining areas can form natural nuclear reactors. So, billions of years after the disappearance of human beings, even if the new civilization discovers the ancient nuclear reactor used by human beings, the same question may arise: is it man-made or natural?

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In any case, the present human civilization has entered a glorious era of science and technology. Even if the future disappears, the traces of human civilization can not be completely erased by the years. Even after hundreds of millions of years, as long as a new civilization enters the era of science and technology, we can still discover the prehistoric civilization of mankind.

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

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