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This section contains descriptions of unexplained facts provided by eyewitnesses or published in the media, as well as the results of their analysis by the group.

UFO. Russia

ID #1700565525
Added Tue, 21/11/2023
Author July N.
Sources
Phenomena
Status
Hypothesis

Initial data

Initial information from sources or from an eyewitness
Incident date: 
21.02.1990 17:25
Location: 
Благодатная улица
Санкт-Петербург
Leningradskaya oblast
Russia

In LO "Fact" from Teryakhova Elena, a member of LO "Fact":

02/21/90 I was driving home from work, but got off the bus a little earlier. Turning off Moskovsky Prospekt onto Blagodatnaya Street, I looked at the sky: a dazzling white ball with a small tail tapering to the end was flying in the blue heights.

The object is small, about the size of a very large star, material, moved smoothly, silently from the SE to the NW, slowly descending. It was windless time 17-25. I ran in the same direction, but after 2 minutes the object disappeared from sight, getting into the area of heavy smoke from the pipes of the plant. At home, I began to watch from the window facing west. I live on the 5th floor. the sky is clear. At 17-45, a very beautiful orange-pink cloud appeared, the size of a lamppost in the shape of a child's top. I saw an object of this shape from November 5 to November 6, 1988 in the village of Bakurmani in Georgia. The cloud hung and began to move smoothly from C to Y. With a cry, birds began to fly in the sky. I continued watching from the balcony. The heartbeat increased. Suddenly, high in the sky, to the right of the cloud, there appeared exactly the same object that was observed in the first case. Direction from SE to NW. It was observed for up to 18 hours until it entered the smoke layers. In the yard, this ball in the sky was seen by children. When I went outside, they were no longer there, passers-by, unfortunately, did not observe anything.

Hypotheses

List of versions containing features matching the eyewitness descriptions or material evidence

Cloud (natural and man-made)

Clouds are the products of condensation of water vapor suspended in the atmosphere, visible in the sky from the surface of the earth. They consist of tiny drops of water and/or ice crystals (called cloud elements).

Booster, the rocket and tracks

For UFOs often take stages of rockets, parts of space ships burning in the atmosphere, the launches of various missile technology for military purposes, etc., and traces from them. They attract attention mostly in the dark, but in the day time have a greater aura of mystery.

Formation of the track of the launch vehicle occurs in the tropopause (the layer between the troposphere and stratosphere), which sharply reduced the vertical temperature gradient. The emergence of the so-called "jellyfish" influenced by water vapor, which are subject to enhanced condensation.

Airplane / Helicopter

An aircraft heavier than air for flights in the atmosphere (and outer space (e.g. An orbital aircraft)), using the aerodynamic lift of a glider to keep itself in the air (when flying within the atmosphere) and the thrust of a power (propulsion) installation for maneuvering and compensating for the loss of total mechanical energy to drag. 



A rotorcraft in which the lift and thrust required for flight are created by one or more main rotors powered by an engine or several engines. They differ in maneuverability, the ability to hover and almost vertical takeoff.

Investigation

Versions testing, their confirmation or refutation. Additional information, notes during the study of materials
Not enough information

Resume

The most likely explanation. The version, confirmed by the investigation
Not enough information

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