Difference between Flying Saucer and Ufo

FLYING SAUCER vs UFO: NOUN

In fiction, an alien interplanetary vessel with a disc-like shape and generally metallic appearance.
An unidentified flying object; UFO; usually with disc-like properties.
An unidentified flying object of presumed extraterrestrial origin, typically described as a luminous moving disk.
An (apparently) flying object whose nature is unknown; especially those considered to have extraterrestrial origins

A UFO.
An (apparently) flying object whose nature is unknown; especially those considered to have extraterrestrial origins

Stealth bomber, Glider, Geodesic dome, Outer space, Hang glider, Meteorite, Extraterrestrial, Pterodactyl, Meteor, Balloon, Ornithopter, Dirigible, Spaceship, Ufo, Unidentified flying object

Csi, Bridget, Atlantis, Nicole kidman, Snl, Wendy, Starwars, Nikki, Claudia, Vader, Thing, Lounge, Salon, Flying saucer, Unidentified flying object

Airship, Stealth bomber, Glider, Geodesic dome, Outer space, Hang glider, Meteorite, Extraterrestrial, Pterodactyl, Meteor, Balloon, Ornithopter, Dirigible, Spaceship, Ufo

Manson, Venice, Whitney, Cinematical, Csi, Atlantis, Nicole kidman, Wendy, Starwars, Nikki, Claudia, Vader, Thing, Lounge, Salon

George commuted to work in a flying saucer with a transparent top.
Flying Saucer ice cream sandwiches and other novelties in the freezer cases on toney Jobs Lane, Southampton.
The PDF module uses the Flying Saucer project.
Apparently, even Presidents Gerald Ford and Jimmy Carter were drawn into the flying saucer craze.
This proposal defines both UFO and the Flying Saucer terms as one single meaning.
We extensively use Flying Saucer to generate PDFs from GSPs in our grails applications.
Vessel unlikely to survive being in contact with a flying saucer?
MAKE OUT the outline of a flying saucer in this photo.
Flying Saucer, in search of the missing nuclear warheads.
Then find out how to investigate a flying saucer.

UFO controls can be used only if you pair UFO with the app.
He reveals the FIRST PHOTOS of UFO PILOTS from a famous UFO event.
This origami UFO model simulates a landed UFO.
Campus Montes Claros UFO CASA Mediterana UFO watch.
The Pentagon, just declassified UFO documents and UFO videos.
Latest UFO Sightings, Daily UFO News, Alien UFO Disclosure, Ancient Mysteries, Moon and Mars Anomalies, Paranormal, Spirituality and more.
UFO Mysteries The UFO archive contains all the biggest UFO sightings and encounters.
UFO photographs, alleged UFO fragments, or military UFO reports.
UFO forms, tracks, catastrophes, aliens, surveys, UFO organizations and explorers, contact persons, UFO magazines.
UFO reports, UFO sightings, UFO activity, UFO photos, and UFO videos as they are reported on our intuitive map.