What was the main concept behind the theory of flying saucers

This uncomplicated concept is all about the central tenet of hydrology including aerodynamics.

Explanation:

A flying saucer (also attributed as "a flying disc") signifies a representative expression concerning an assumed kind of hovering craft possessing a disc or saucer-shaped frame, frequently used generically to suggest to an exceptional flying device. This expression was invented around 1930 but has usually occurred usurped since 1952 through the United States Air Force title's mysterious flying gadgets (or UFOs concerning precise). Pioneer detailed sightings of strange "flying saucers" ordinarily defined them essentially as metallic or silver, seldom described being covered amidst navigating lights instead inundated among gleaming lightning, flying or relocating immediately, both individual either in tight arrangements including different related craft, including presenting tremendous maneuverability. This uncomplicated concept is all about the central tenet of hydrology including aerodynamics.