| Added | Mon, 10/10/2016 |
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Lasers, searchlights, car headlights and other light sources of sufficient power can form a column of light in a dusty or foggy atmosphere, various patterns on low clouds, fog or haze. Also, the rays can highlight parts of the cloud, objects or birds, giving them bizarre shapes.
Searchlights can shine with one beam, several. They can be stationary, move, and also form spinning carousels on the clouds, which can change shape and color.
It often seems that the light source is located at the point where the beam hits the cloud, and not vice versa.
Most often, this effect is unexpected for the observer, which can be misleading about its nature.
Sometimes such spots on clouds are formed specifically and used to measure the height of the lower border of clouds. For this purpose, an installation consisting of a searchlight and a sighting device (theodolite) installed at a certain distance from the searchlight is used. A narrow beam of light is directed upwards by the searchlight, and with the help of the sight, the angle between the horizon and the direction to the center of the light spot created on the cloud by the searchlight beam is determined, and the height of the clouds is determined by it.
Also, blurry, but bright spots from the lights of the city (a certain brightly lit area or building, for example, a stadium, greenhouses, or just an actively lit part of the city) can form on the clouds.
Not only bright spots of light on clouds can be mistaken for UFOs, but also shadows on them if something falls between the light source and the cloud.
Plane flying in the spotlight at the ceremony of remembrance of the victims of the terrorist attack in new York
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Nikita Pace 26 December at 21:25 Oktyabrsky prospect, Kirov
new lights of Colosseum cinema
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Spotlights in the sky over the Omsk 30-31.05.2015 fast playback
panoram360ru
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MOBILE SEARCHLIGHT COMPLEX "HELIOS" UAZ-Pickup
Lighting of the area with temporary positions a narrow beam high intensity light to provide a response force according to the situation in the absence of optical visibility (at night). Remote control of the searchlight installation by means of connection with the pod of the automated system. Development of NPK Favorit
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Drawing the spotlight, which could be mistaken for a UFO due to the fact that hiding behind the clouds.
The authors of the Czech research organization Projekt Zare.
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Global rainbow, after the storm — 56-kilometer laser installation in new York. It lasted only three nights from 27 to 29 November 2012-th year.
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Looks like a purple or blue glow that moves across the night sky. It is a measuring train, and we use it to measure the thickness of the contact network. When trains run, air line wear. This train measures, which reflects the light and where it goes in the air, and thus knows exactly how thick of a wire.
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The shadow of an airplane is projected through a layer of fog, Logan Airport, Boston.
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