Off Topic — HabitableZone

Off Topic » in reply to Why are most UFOs reported as disc shaped?

Areodynamics?

Do they really “fly”. Let’s look at some of the popular assumptions about UFO’s

They have conquered gravity. A large percentage of films show them hovering or moving slowly. The craft aren’t using “lift”. Usually no form a propulsion can be heard.

They have crossed the galaxy. Interstellar travel doesn’t require aerodynamics. But with the “MotherShip” concept, they could launch “scouts” that could fly. If this were the case they would have build or adapt their craft for differences in the planets mass and atmospheric density- unless they already know their destination.
But it has to come back to anti-gravity or some other propulsion we’re don’t understand because of the energy that’s required to reach escape velocity.

They are inter-dimensional. If they are, the best way to fly or hover is just to oscillate between dimensions.

What shape is best? I don’t think it matters.

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