This video below was taken in Moscow and as you can tell, this circular cloud was just standing there above our heads, for well over an hour or so.
There are plenty of theories out there of what these clouds could really be. Many believe that these are hidden or cloaked UFO spaceships for example.
But there is another theory that is very plausible. It appears as though these circular clouds may be warning us after all of cosmic events or UFOs coming down on us.
Video: Doomsday sign or UFO? Strange circle in Moscow sky
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This theory officially emerged back in 2009 on October 7th when a circular cloud was spotted, only for the next day to be followed up by a massive meteor crash. This happened in Indonesia, and it was recorded by many TV stations around the globe.
If that’s not enough, then how about the Krasnoyarsk krai event from Russia from back in 1908? A similar sighting occurred there, only this time the meteor strike destroyed over 770 square miles of forest alongside over 80 million trees.
Because no humans were hurt in the process many believe that this is Earth’s new defense mechanism, as it can deter a meteor’s direction as to preserve life on it. What do you think?