# earth

The real master of the earth may be a virus. Who is the master of the earth now? Many people may say that it is human beings, because the death of human beings has dominated the world, but it does not mean that human beings have become the masters of the

The earth has a thick atmosphere, and the atmospheric pressure on the surface is equivalent to one kilogram force per square centimeter. Of course, the atmosphere is not unique to the earth among the eight planets. For example, Venus has an atmosphere wi

Recently, some foreign astronomers have observed that there is a suspected satellite orbiting the sun in space, and this substance is named 2020 SO. By establishing a motion model, the researchers concluded that the satellite will enter the moon's curren

For decades, astronomers have been trying various methods to find aliens, building and launching various detectors in ground space to prepare to receive information from aliens. Human beings are not simply waiting. While searching for alien signals, they

We who live on the earth can experience a beautiful life every day. The beauty I am talking about has nothing to do with "having money or not", but the beauty on a macro level. Once you leave the near-perfect protection of the earth, you will deeply appre

Why is the night sky black? You may think this question is boring: because there is no sun! But in fact, the problem is not simple or boring at all. Many times we are accustomed to the things around us, and often do not think deeply. Let me talk about a p

Since birth, human beings have longed for the vast space and wanted to see the outside world. In recent decades, as scientists continue to increase the exploration of outer space, people are more eager for the world beyond the earth. However, the universe

Are there any aliens in the vast universe? Although we have not seen aliens with our own eyes, I believe that most people will firmly believe that aliens must exist. But science is rigorous, and evidence is very important. Since aliens must exist, where a

There are all kinds of celestial bodies in the vast universe. Among them, black holes are the scariest, especially supermassive black holes. Scientists have never given up on the study of black holes, and finally took the first black hole photo in 2019. B

For a century, astronomers have explored an ever-increasing extent of the universe. Less than a hundred years ago, people thought that the Milky Way was our entire universe, but now we know that the universe contains hundreds of billions of galaxies like

When people infinitely approach the speed of light, one touch can be realized, but the speed of human movement cannot reach the speed of light. Since the appearance of Einstein's "Special Theory of Relativity", human beings have a new understanding of tim

According to the Big Bang theory, our universe is 13.8 billion years old. 13.8 billion years seems to be a very long time, but according to scientists' speculation, the current universe is still very young, and the universe is still evolving towards an ex

This year, humanity has glimpsed the universe like never before, and space missions have made unprecedented leaps in unraveling its mysteries. We witnessed the first ISS mission funded entirely by space tourists. A new space-based internet service played

A violent big bang sprayed out all matter, forming today's bright and vast universe, and at the same time giving birth to our most wonderful life. There are tens of thousands of forms of life, but if we want to say that life is more wonderful, it belongs

There are many problems that plague human beings. In the face of the vast universe, in fact, the main problem for human beings is: "The universe is too big!". How big is the universe? There is no standard answer to this question. At present, the scope of

Flying out of the earth and landing on other planets is not a good thing, but being able to come back is a "master"! The moon landing by the United States has already happened in the last century. With the continuous improvement of scientific cognition an

The current mainstream view in the scientific community is that humans and chimpanzees share a common ancestor. About 6 million years ago, humans and chimpanzees diverged on the evolutionary path, and gradually evolved two a completely different species.

Partners who understand the Big Bang theory must know that our universe has been expanding. Maybe the big bang theory is finally proved to be a wrong understanding, but the expansion of the universe is real. Scientists have indeed discovered that the univ

We are all going to die, and although we often avoid the topic of death subconsciously, we know that sooner or later we will face it. It is precisely because of the fear of death that we desire immortality, but science tells us that immortality is just a

Since its birth, human beings have longed to fly to the vast starry sky. The mysterious outer space is the dream and pursuit of countless people. In recent decades, with the improvement of the level of human spaceflight technology, human beings have also