Habitual and understandable sounds accompany us throughout our life, be it music or mother's voice. But sometimes scary and frightening ones appear, their meaning and source cannot be immediately determined even by scientists. Their opinions on this matter often do not coincide.
Who croaks underwater?
The Quaker is a source of low frequency underwater vibrations of unknown origin. Most often they are caught by the radar installations of ships. By consonance with the croaking of frogs, they got the name - Quakers.
Since the 50s of the last century, acoustic devices installed on submarines and surface ships began to receive sounds, the source of which could not be identified for a long time. Some were of the opinion that sounds similar to the croaking of frogs were made by living things.
For a long time, among the sailors, who were distinguished by superstition, there were legends about mermaids and other sea creatures resembling the appearance of a person, but in the modern world this was not taken seriously.
During the Second World War, American and British sailors detected strange sounds in the ocean with the help of sonar equipment, which could not be determined. They concluded that this is the latest German weapon.
In the mid-fifties, Soviet submarines also began to detect strange noises, the tone of which changed. The commander of one of them said that during the voyage their ship was surrounded by unknown creatures. They accompanied the boat for a long time, then quickly disappeared. The objects did not behave aggressively, did not attack the boat, on the contrary, the impression was that they wanted to establish contact with the person. Science at that time could not answer the question - what or who it is.
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At one time it was believed that these were not living organisms, but the latest developments of engineers who created modern underwater vehicles. But no country has such technologies. It was assumed that such sounds are emitted by whales, but how to explain the speed with which objects move, it is more than 350 km per hour. Not a single whale can move so fast.
In recent years, unidentified objects have become more frequently detected by radars. It was already impossible to keep silent about this. Quakers are officially acknowledged to exist.
Signal from space - they are looking for us
The most courageous astronomers in their beliefs believe that there are many planets in the Universe on which intelligent life is possible. Since the middle of the last century, constant observations have been carried out, the purpose of which is to discover civilization outside the Earth. In the seventies of the XX century, scientists received a long-awaited signal, which was registered by Dr. Eiman.
From time to time, scientists and simply amateurs of astronomy in all countries received mysterious and inexplicable signals. And more recently, in 2015, in the astronomical laboratory of the city of Zelenchuk, a radio telescope recorded a signal from the side of the HD164595 star system. This system is located in the constellation Hercules at a distance of 95 light years from Earth. Unfortunately, there was no repeated report, but scientists began to regularly conduct observations of this star system.
It is unlikely that life is possible on any planet of this system, nevertheless, a signal was received, and very powerful. This suggests that only a highly developed civilization could send it. If the signal was sent in order to establish contact specifically to the Earth, perhaps one of the planets is inhabited!
Underground moans
Sometimes people hear scary sounds that come out of the ground. They are called "sounds of the Apocalypse", such a phenomenon is observed anywhere in the world. Drillers of the Kola Peninsula (Russia) spoke about it for the first time. They drilled a well more than 12 km deep, carried out the necessary research work to study the composition of the earth's crust. Then they turned on the microphone and what the people heard on the recording horrified them! They clearly distinguished the terrible groans and cries, as if hundreds of unfortunate people were experiencing unbearable pain.
A loud underground groan was also heard in Novokuznetsk. Scientists from Kuzbass tried to explain this phenomenon, who came to the conclusion that the movement of tectonic plates is "to blame" for these sounds. When moving, the slabs move against each other, and when rubbed, they emit a strong grinding. And if there is a cavity nearby in the earth's crust, then it plays the role of a resonator, making the sound many times stronger.
This was the first mention of underground sounds, but over time they began to appear more often in different parts of the world.
Rustles of the Northern Lights
Interesting sounds can also be heard in the sky, for example, during the northern lights. They are not loud, rather like a rustle, rustling. The peoples of the north, in which there is a strong belief in everything supernatural, believe that these are the spirits of deceased ancestors - they either want to communicate with descendants, or simply make themselves felt. The sounds themselves can be different or perceived by a person in different ways, moreover, some clearly hear something, while others do not. Why is this happening - there is no answer.
The sounds of the aurora have not been studied, so there are only hypotheses of their appearance. Some say that magnetic fields act on the nerve, causing auditory hallucinations. According to another version, a person himself, especially if he is impressionable, comes up with a soundtrack for the polar lights. There are other scientific hypotheses that will undoubtedly be explored.
Bloop - squid or icebergs in Antarctic ice
Bloop means roar. This sound was recorded several times in 1997 in the area southwest of South America. The source of Bloop is believed to be the Antarctic ice. Icebergs, drifting, touch the bottom of the underwater part and a strong sound is emitted, the strength of which is increased by peculiar acoustic conditions.
But according to another version, it is believed that huge squids live in these waters, since it was determined by the nature of the sound that it belongs to living beings. Who is roaring there, in the very south among the ice, it is still impossible to say with certainty?
The world of sounds is mysterious, without it the world was not so bright and interesting. A person, by his inquisitive nature, always wants to know, to understand the incomprehensible, including the origin of various sounds and signals. And it doesn't matter if they are from the bottom of the ocean, or from distant space. Humanity will definitely reveal all the riddles.