A rare "cigar-shaped" UFO was filmed over the skies of Brazil, twisting and turning in the air, flying like no known aircraft. What is it?

This sighting is unique for several reasons. Most unidentified flying objects are filmed at night and are displaying strange light patterns, but their shapes are hard to distinguish. In daytime sightings, shapes are more clearly defined and are usually aerodynamic, suggesting the object is either known aircraft or natural phenomenon.

In this daytime UFO sighting, the craft displays no running lights and is clearly of a shape not classically suitable for flight. There are no wings and no tail. It's just an oblong shape, which rules out explanations like weather balloons or morning stars.

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