Do aliens really exist? American scientists claim that human beings did not recognize it!

Is there really only one kind of intelligent life in the vast universe? Scientists have been studying this problem for so many years. Just recently, a NASA scientist claimed that extraterrestrial life not only exists, but also is likely to have come to earth long ago. Scientists use Kepler telescope to monitor different information. The earth has existed for more than 4 billion years, and the galaxies monitored by astronomical telescope have existed for 11.2 billion years.

Therefore, scientists believe that life is not only real, but also billions of years earlier than human civilization. It’s hard to imagine that such a huge number of people have been searching for extraterrestrial life for so many years, but they have no ideal effect. Scientists think that maybe we have made many mistakes in the process of searching for extraterrestrial life, so all our efforts have been wasted.

In terms of the current level of human science and technology, it is impossible to realize star trek. If alien life has appeared long ago, according to the speed of their civilization development, it is no longer a dream to realize star trek. Although light is still an insurmountable problem for extraterrestrial life, it has become easy to use advanced aircraft to go to various planets . According to this conclusion, extraterrestrial life is likely to have come to the earth, and distance is no longer a problem for them.

In the early stage of science and technology, scientists will choose to send signals to the universe. Radio is the best tool. In our opinion, the information contained in the radio signal is very rich. If other intelligent life catches these signals, it will be able to respond, but throughout the vast space In the universe, radio may not be the best communication information.

Aliens have come to earth?

Since the civilization of extraterrestrial life is higher than that of human beings, perhaps radio has long been their obsolete means of communication, so even if they capture human radio signals, they will not respond, and the time difference between them is a thorny problem. So it is likely to lead to a phenomenon that human beings send signals to the universe, and maybe they won’t receive an echo until billions of years later, when the earth will be full of vicissitudes.

Over the years, there has been more and more news about UFOs. Therefore, many people believe that alien life has actually come to the earth for a long time. Due to their high level of civilization, even if they come to the earth, human beings may not be able to recognize them. So it seems that human beings are very small in front of aliens. If they do appear, what should we do?

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