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From what I have seen on UFO programs I don't think so. Or most of them don't. There are several things that they do have in common though. People that have observed them say they are silent or almost silent. They can hover and then accelerate at incredible speeds.
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YES YES YES! UFOs DO spin. The reason why they spin is not because its some kind of propulsion system, it's because they are toroid/vortices; vortexes, vapourous, the entity within seems to need another frequency to exist or appear within are air.
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We don't know. That is why they are called Unknown flying objects.
They DO spin believe me they spin,This is because they are initially E.Magnetic vortexes that TURN into vapourous disks of light that ascend as a spinning ring/toroid with a ball at its front.The light causes the air to luminate around itself as it spins.If you see a picture of disk shape UFO that is NOT spinning it is fake.
The term UFO is mis leading they are I.F.P.`s Intelligent flying phenomenon.
Since UFO stands for Unidentified Flying Object, yes, UFOs can fly.
It is impossible to even speculate. There is no admitted proof that UFOs do exist and no hard information on propulsion.
spin fly gravitational spin
Endurance - 2002 Spin Fly - 4.14 was released on: USA: 25 March 2006
Spin, wind, power---areodynamics.
fly after him and spin him three times
the engines make the propeller spin and will make it fly
Where humans and alcohol are, UFOs will be.
To make bullets spin so they fly straight.
There have been reports of sightings of white UFOs.
the correct answer is UFOs thanks for asking
The ones who study UFOs are called Ufologist. They study every thing about unidentified flying objects (UFOs).