Humanity has created artificial satellites, giant telescopes and the most modern observatories. With the help of these innovations, the depths of outer space are now being explored. Technological progress only enhances human curiosity about the existence of other civilizations on distant planets. Are we alone in the Universe, or are there other intelligent beings?
In the solar system, Mars is considered the most "worthy" life for existence. True, the climate of Northern Siberia and the highest points of the Himalayas can be called tropical compared to the climate on the Red Planet. Therefore, organic life that could reach a high level of development is hardly there. Probably, the Martians will still exist only in science fiction novels. Although it is impossible to exclude the existence of intelligent life on other planets of the solar system and beyond.
A team of American astronomers has counted about 100 billion stars in the Milky Way Galaxy. According to them, about 30 billion can be inhabited. Jeffrey Marcy, a scientist from the University of California, suggests that such conclusions indicate the possibility of the existence of intelligent civilizations in the Universe.
However, the word "opportunity" is different from the word "probability". The planet must be suitable for existence for life to appear on it.
Scientists still cannot understand and explain the mechanism of transformation of inanimate matter into living cells. If they do not know the exact process of the origin of life, how can one assess its appearance on another planet?
Scientists' versions and assumptions
Since the twentieth century, astronomers have been actively looking for life on the planets of the solar system. They send radio signals into space, explore various parts of it, and interplanetary stations send messages from the earthly race. After all, it is very important for human civilization to find their own kind on other planets. So far, only the first attempts are being made, like the first steps of a small child. They are ineffective on the long and difficult path to intelligent civilizations, but they exist, and the process is accelerating. However, there is one more important point - the reality of the existence of the object of the search.
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The famous Soviet astronomer of the twentieth century, Iosif Samuilovich Shklovsky, with a lot of arguments, was able to substantiate the hypothesis that human civilization is the only unique one in the entire Galaxy. The scientist is sure that possible contacts with intelligent beings will not bring benefit to humans.
The origin of the Universe, evolution on Earth, and the study of intelligent beings are carried out by experts from all over the world: physicists, chemists, psychologists, astronomers, biologists, etc. However, science knows only the protein form of life, because only it exists on Earth. Therefore, the appearance of a different form will become a unique phenomenon, a sensation that will be difficult to explain.
The task set - to discover and explore other civilizations, is very important for our practice, culture, philosophy, science and technology. If "there is" intelligent life in space, it will show the human race the way to the future - to astronomical intervals of time and space, radically changing his entire life. That is why more and more people are joining the search for extraterrestrial civilizations every year. However, where to look and how to do it remains an unresolved issue.
Humanity lives in the age of cybernetics, where scientific progress is "by leaps and bounds". But again the question arises: if there are highly developed civilizations, how high is their level of development? A lot of them? Do they contact each other? Can they be detected by modern technology? But the most important question remains: do the messages of intelligent beings reach Earth?
The new science, which will study the issues of alien contacts, does not yet have a name, but its role in the development of mankind is enormous. Specialists will explore the possibilities of establishing connections with other evolved beings, and provide information about us.
Ancient evidence for the existence of aliens
Should we expect that some spacecraft will descend to Earth, and representatives of another civilization will want to contact us? This option is quite possible. But its probability in our time is too small. Or maybe aliens have already visited our planet?
Digging into ancient human history, you can find many traces of aliens. Planet Earth is a real museum on contacts with aliens. In recent decades, the search for such artifacts of the existence of intelligent beings from distant planets has gained immense popularity, and they are worth explaining their purpose to us. However, science so far only puts forward versions and assumptions.
Over the past few years, the number of unidentified flying objects (UFOs) has increased dramatically in all countries of the world. Cases are recorded on all continents of the globe. For example, various flying spacecraft that do not have the same design. Eyewitnesses and surveillance cameras see them as balls, discs, rhombuses, trapezoids, cylinders and even cones. If they are so different, then it is quite possible that these are representatives of more than one intelligent civilization. Secret materials about UFO contacts with humanity have been collected for more than a decade, and now suddenly countries such as New Zealand, France, Great Britain, and the United States have declassified the archives. What happened?
Every nation has myths and legends that indirectly prove the existence of other worlds. Even a 400-year-old mural in Georgia’s cathedral depicts saucer-like spacecraft and people in them. Maybe aliens were always near us, studying us, controlling us?
In Florence on the canvas of the great artist "Madonna and Saint Giovanni" depicts a strange flying object resembling a luminous disk. Gold statues found in Central America, which are 2 thousand years old, are exact copies of modern UFOs.
As for archaeological finds, the frescoes from the Sahara Desert, found by scientists from France, are amazing. In addition to animals, they depict people in spacesuits. And giant mysterious structures, the purpose of which cannot be explained to this day, indicate that the Earth was visited by stellar aliens. The Baalbek Terrace may have been a rocket launch pad built by cosmonauts hundreds of light years away.
For some scientists, the question is "are we alone in the universe?" decided long ago. They are sure that humanity has long been in contact with alien intelligent beings. So, John Pope, a scientist from Britain, is sure that talented people on Earth are descendants of space aliens, and more than half of humanity are the ancestors of alien civilizations.
The opinions of specialists in the field of studying contacts with other worlds from outer space do not always coincide. For example, astrophysicist Stephen Hawking claims that contact of terrestrial representatives with aliens will only bring problems to the Earth. Perhaps we are even in danger from their presence. The scientist is sure that the technologies of civilizations of other planets are thousands of times superior to any human achievement. Why should they get close to such a backward race? For them, new planets are a source of materials, they lead a nomadic life, moving between the stars with the help of energy.
We may not be alone
American professor of astrophysics Frank Drake put forward a hypothesis according to which hundreds of millions of civilizations could exist on 100 billion Earth-like planets. In addition, most of them are able to contact us. If the universe is so populated with intelligent beings that are far superior to our civilization, why did we not meet them?
Experts send signals and messages to the depths of the Universe in the hope of finding intelligent life. Over the decades, there have been repeated attempts to communicate with Martians or aliens from distant planets. The most powerful radio telescope in Puerto Rico has been sending messages into deep space since 1974. However, no one received an answer. Perhaps it hasn't reached them yet?
There is also such an option: intelligent civilizations do not want to make contact with humanity, because they know that we are aggressive, unpredictable and dangerous. Some scientists suggest that the Earth is an isolated planet that cannot be contacted.
Be that as it may, the universe is silent, and this is a scientifically proven fact. It must be accepted and appropriate conclusions drawn. If the search for extraterrestrial civilizations did not give a positive result and there is not even a hint in favor of the existence of extraterrestrial intelligence, then we are alone in the Universe? Maybe we should stop searching and finally admit that intelligent life on Earth is unique?