| Answer | Crossword Clue |
|---|---|
| ufo | an unidentified flying object |
| ufos | UFO, an unidentified flying object |
| BOGY | Unidentified flying object |
| ufo | unidentified flying object |
| ufos | unidentified flying object |
| trajectories | The path described by a projectile flying or an object moving under the action of given forces |
| trajectory | The path described by a projectile flying or an object moving under the action of given forces |
| birds | man-made object (as an aircraft, rocket, or satellite) that resembles a bird especially by flying or being aloft |
