ID | #1513239306 |
Added | Thu, 14/12/2017 |
Author | July N. |
Sources | |
Phenomena | |
Status | Result
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Resume |
Initial data
The Internet appeared the video, shot in our country. We are talking about a frozen lake in the Altai mountains. Mysterious sounds, like the flight of a "flying saucer", can be heard from under water. The author of the video is Russian Svetlana Kuzina. According to our compatriot, for the first time she heard an ominous "moaning gurgling" in the night, and not a little frightened.
With the onset of morning, a woman decided to walk on the surface of the lake and recording incredible sounds on a camera phone. There are no aliens and unidentified flying saucers nearby, fortunately, was not. Svetlana implies that such a noise low and high range are caused by the expansion of ice and the pressure on top of him. However, they sound really fantastic and may even scare unsuspecting winter tourist. Moreover, Svetlana said that had never heard anything like it, although the frozen lake for her everyday reality, as for other locals who also surprised shrug...
Indeed, if it was the most normal phenomenon caused by the movement of the ice cover, something about it perfectly knew not only scientists, but also people living near the lakes freezing in the winter. And they are somehow surprised to shoot all this on video and to inquire – what is it?
Translated by «Yandex.Translator»
Hypotheses
Events
Rocket launches (from space.skyrocket.de)
- Site: Centre Spatial Guyanais (CSG), Kourou (France) Vehicle: Ariane-5ES Payload: Galileo 19 (Galileo-FOC FM15, Nicole) Galileo 20 (Galileo-FOC FM16, Zofia) Galileo 21 (Galileo-FOC FM17, Alexandre) Galileo 22 (Galileo-FOC FM18, Irina)
Investigation
Thin ice on the water surface plays the role of the membrane. The ice layer propagates the perturbation from the impact at some distance around the epicenter. Thus, the ice varies in different parts of the surface, with different frequencies (for different depths) and the amplitude (which decreases as the distance from the point of impact). We receive a large set of sources of sound waves. The sound at the point of reception (the place where the observer is) is determined by the sum of these fluctuations, and generally can have a modulation frequency, and level (the beats).
Translated by «Yandex.Translator»
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