Declassified NSA Document Reveals How Aliens Will Contact Us
We might not even need to fly to distant worlds to meet aliens, they might try to contact us.
Statistically speaking, we are probably not alone in the universe. Given the abundance of stars that likely host Earth-like planets with liquid water, life, and a warm atmosphere, it is possible that extraterrestrial civilizations have already arisen, flourished, and traveled through interstellar space.
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In that case, we might not need to populate distant worlds to learn about them. They may try to contact us. A declassified National Security Agency document shows how some of the world’s top scientists believe that an alien intelligence could attempt to make contact with the human race.
With the development of man-made technologies, new ways in which an intelligent alien species can contact humanity through the abyssal depths are increasing. More and more scientists agree that contact with extraterrestrial civilizations may be a feature of our social evolution, as natural as our accidental discovery of radioactivity or our first steps on the moon.
“It is no longer something beyond our wildest dreams, but a natural event in human history that will likely occur during the lifetime of many of us,” according to a declassified article on the NSA website.
The Milky Way contains at least 100 billion stars. According to NASA research, there could be as many as 400 billion stars.
Periodically repeated laser pulses may be the best means of interstellar communication, as they can cover indescribably long distances. Another method is to move the stars in an easily recognizable geometric pattern that would instantly attract any observer – note that this is not created by nature!
“They could build something that could be seen from a great distance across the galaxy, or even another galaxy, that would clearly be artificial,” said astrobiologist David Grinspoon of the Institute of Planetary Sciences.
Some astronomers believe that extraterrestrial megastructures in the universe could be a message that life exists there. However, the best-known theory for the megastructure is probably the dimming of stars rather than interstellar SOS. Research in 2019 suggested that the “flashing” star could be caused by the destruction of a foreground exoplanet.
Conventional radio is quite reliable when making interstellar contact. Radio waves have served as scientists’ primary means of listening for extraterrestrial signals for nearly a century.
Radio waves are incredibly resilient and pass unhindered through the darkest depths of the galaxy. They are reliable, although they spread slowly. Radio waves travel at the speed of light. For example, if the nearest star is more than four light-years away, the answer will take eight years.